Belt Conveyors for Bulk Materials Practical Calculations (Metric and US Systems) ... very practical for calculations of belt, chain conveyors and mechanical miscellaneous, in the metric and imperial system. ... space, and less space requirements, no transfer point, low maintenance and big capacity, commonly used in cement plants, coal-fired ...
Eng. Guide Index Download Guide PDF HORIZONTAL SCREW CONVEYOR CAPACITY & SPEED CALCULATION: Visit the online engineering guide for assistance with using this calculator. Click on symbol for more information. ... Screw Conveyor Interactive Calculators. Eng. Guide Index ... CALCULATIONS: Shaftless Mass Flow Factor, C1 = Spcl. Flight Type Factor, CF2
Rulmeca Corporation assists conveyor designers and technicians with bulk handling conveyor belt pull and power calculations in three ways: Power Calculation Program (free downloadable Excel program) Online Application Data Sheet (linked to our engineers) …
Jan 05, 2015· The table shows when people arrive and leave a medical ward. The ward holds 36 patients and I'm wanting to get an idea of how close it is to capacity (it's normally always full). The ward is open 24/7 and has patients arriving 24/7 but I'd like to show the time it is at the certain capacities. For example if we inputted 24 hours of data
Mar 07, 2007· Free-of-charge Bulk Conveyor Calculation Program For many years Jansen & Heuning is providing a calculation program for belt conveyors, bucket elevators, screw conveyors and chain conveyors. The program is very easy to use, in the English language and has extended help files to explain how the calculations are done and based on what formulas or data.
How to Calculate a Percentage of a Number. If you want to calculate a percentage of a number in Excel, simply multiply the percentage value by the number that you want the percentage of. For example, if you want to calculate 25% of 50, multiply 25% by 50. I.e. type the following formula into any Excel …
Several outside factors can influence such calculations. The calculations shown in this report are for estimation purposes only. Again, all calculations are estimates. This section is for calculating Belt sizes based on both Pulley Diameters, and the center distance between both shafts. Center Distance in Inches BELT OUTSIDE DIAMETER BELT O.D. 0.00
Instead of using a calculator, use Microsoft Excel to do the math! You can enter simple formulas to add, divide, multiply, and subtract two or more numeric values. Or use the AutoSum feature to quickly total a series of values without entering them manually in a formula.
The belt also tends to wedge into the groove as the load increases—the greater the load, the greater the wedging action—improving torque transmission and making the V-belt an effective solution, needing less width and tension than flat belts. V-belts trump flat belts …
Microsoft Excel is a versatile tool for handling a variety of calculations, including Six Sigma. The program can easily manipulate the variables in Six Sigma analysis to provide an exact measurement of a project's likely success. It is a straightforward task in Excel that anyone trained in Six Sigma can implement immediately.
Online calculation for belt conveyor design capacity and belt width, conveyor belt, belt conveyor calculation, belt conveyor system, belt conveyor design capacity, belt conveyor width, Belt Speed etc. Bulk Handling Global Bulk solids and powder flow properties testing, silo and hopper design, discharge and conveyor technology ...
Excel has a range of options that enable you to control the way it calculates. You can change the most frequently used options in Excel by using the Calculation group on the Formulas tab on the Ribbon. Figure 1. Calculation group on the Formulas tab. To see more Excel calculation options, on the File tab, click Options.
Belt Tension Calculator First, the Effective Belt Tension (TE) must be calculated. TE is the sum of the tension required to move the empty belt (TC), the tension required to move the load horizontally (TL), and the tension required to lift the load (TH). Example 1. TE = TC + TL + TH TC = F1 x L x CW
Conveyor and processing belts Calculation methods – conveyor belts Content 1 Terminology 2 Unit goods conveying systems 3 ... The calculation results can however differ ... M as per the given formula and used to select a belt type. With calculable effective pull F U.
Conveyor capacity is determined by the belt speed, width and the angle of the belt - and can be expressed as. Q = ρ A v (1) where . Q = conveyor capacity (kg/s, lb/s) ρ = density of transported material (kg/m 3, lb/ft 3) A = cross-sectional area of the bulk solid on the belt (m 2, ft 2)
This article will discuss the methodology for the calculations of belt conveyor design parameters with one practical example of the calculations and selection criteria for a belt conveyor system. Calculations include conveyor capacity, belt speed, conveyor height and length, mass of idlers and idler spacing, belt tension, load due to belt, inclination angle of the conveyor, coefficient of ...
Capacity Utilization Rate Formula Calculator. ... 100 = 0: 0: Capacity Utilization Rate Formula in Excel (with excel template) Let us now do the same example above in Excel. This is very simple. You need to provide the two inputs of Actual Output and Potential Output.
How to enter a formula in Excel. In Excel, each cell can contain a calculation. In Excel jargon we call this a formula. Each cell can contain one formula. When you enter a formula in a cell, Excel calculates the result of that formula and displays the result of that calculation to you.
This maximum belt capacity calculator is provided for reference only. It provides a reasonable estimation of maximum belt capacity given user requirements. Superior Industries is not responsible for discrepancies that may occur between this calculation and actual results.
Capacity Utilization Rate Formula in Excel (With Excel Template) Here we will do the same example of the Capacity Utilization Rate formula in Excel. It is very easy and simple. You need to provide the two inputs actual output and Maximum possible output. You can easily calculate the Capacity Utilization Rate using Formula in the template provided.
Decisive factors for our advising technicians are: capacity, type of bulk goods, the situation on the spot as well as the proportion between prices and quality. With the help of the calculation modules for elevators, conveyor chains and screw conveyors, on this site, you can calculate your capacity issues on …
MITCalc - Technical Formulas 1.14. belt) - Design of engine capacity (pump. crane) This module also includes a workbook with conversion of units and many technical tables. Application is developed in MS Excel. supports Imperial and Metric units and is a part of MITCalc - Mechanical and Technical Calculation Package for gear. belt and chain drives.
Sep 10, 2018· In the production capacity calculation formula, we are using product SAM to calculate the daily production capacity. Therefore, if you are adding finishing operation SAM, manual work (like marking, ironing) SAM, into the total garment SAM, those workstations will be part of the calculating factory capacity working hours.
How to Calculate Belt Length If the centre distance (C) is known, belt length or pitch length can be determined as follows: So if you know the distance between the center points of the pulleys, and their diameters, you can calculate the length of belt you need using this formula.
Formula for Cross Belt Length. The below mathematical formula is used in mechanical engineering to calculate the V or Flat belt length required to connect two pulleys for mechanical power transmission. Besides, the step by step calculation for each calculation performed by using this belt length calculator let the users to know how to perform ...
Related Surface Area Calculator | Area Calculator. Volume is the quantification of the three-dimensional space a substance occupies. The SI unit for volume is the cubic meter, or m 3.By convention, the volume of a container is typically its capacity, and how much fluid it is able to hold, rather than the amount of space that the actual container displaces.
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The Kindergartner's 1 to 20 Numbers Workbook
(Ages 5-6) 1-20 Number Guides, Number Tracing, Activities, and More! (Backpack Friendly 6"x9" Size)
Published by: Engage Books
Make learning fun with The Kindergartner's 1 to 20 Number Workbook! With more than just number tracing, kids will learn to write numbers 1 through 20 with engaging activities like connect-the-dots, number matching, and find-and-trace number jumbles.
This backpack friendly, 6"x9" workbook is perfect for kids on the go. Step-by-step number guides with dashed centers help young writers learn pen control and consistency. This workbook for kindergartners will help your child become a confident writer.


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This report outlines the derivation and application of a non-zero mean, polynomial-exponential covariance function based Gaussian process which forms the prior wind field model used in 'autonomous' disambiguation. It is principally used since the non-zero mean permits the computation of realistic local wind vector prior probabilities which are required when applying the scaled-likelihood trick, as the marginals of the full wind field prior. As the full prior is multi-variate normal, these marginals are very simple to compute.
|Place of Publication||Birmingham|
|Number of pages||16|
|Publication status||Published - 1998|
- polynomial-exponential covariance function
- Gaussian process
- local wind vector


Here are The Natural Wood Floor Co.’s five quick steps to measuring your floor for real wood flooring.
1. Do the maths
For square rooms, calculate the area of the room by multiplying the width by the length.
2. Make it easy
If your room is L-shaped, simply divide the room into two easy-to-measure rectangle areas. Measure the lengths and widths of each space and multiply them by each other.
3. Convert it
Measuring in feet and inches? Follow the first step to get the area and divide the total by 10.76. This will convert square feet into square metres.
4. Plan ahead
Allow for wastage – between 5 to 10% for a board or strip floor, or between 7 to 15% if you’re opting for parquet woodblocks, the waste allowance is for unusable offcuts. Please note, there are more offcuts when the rooms are smaller or of an intricate shape.
5. Use supplier tools
You can input the room measurements into the price calculator on each product page of The Natural Wood Floor Co.’s website to see the price of your chosen flooring.


Journal of Singularities
volume 15 (2016), 53-79
Received: 30 September 2014. Received in revised form: 19 May 2015.
A new nano-material in the form of a double gyroid has motivated us to study (non)-commutative C^* geometry of periodic wire networks and the associated graph Hamiltonians.
Here we present a general more abstract framework, which is given by certain quiver representations, with special attention to the original case of the gyroid as well as related cases, such as graphene. The resulting effective C^*-geometry is that of the momentum space, which parameterizes the quasi--momenta.
This geometry is usually singular, where the singularities describe so-called band intersections in physics. We give geometric and algebraic methods to study these intersections; their origin being singularity theory and representation theory. A technique we newly apply to this situation is the use of topological invariants, which we formalize and explain in the paper. This uses K-theory and Chern classes as well as "slicing methods" for their computation. In this method the invariants can be computed using Berry's connection in the momentum space. This brings monopole charges and issues of topological stability into the picture.
Adding a constant magnetic field or allowing projective representations makes the C^* geometry non-commutative. In this case, we can also use K-theory, albeit in a different way, to make statements about the band structure using gap labeling.
|Ralph M. Kaufmann||Sergei Khlebnikov||Birgit Wehefritz-Kaufmann|
|Department of Mathematics||Department of Physics and Astronomy||Dept. of Mathematics and Dept. of Physics and Astronomy|
|Purdue University||Purdue University||Purdue University|
|West Lafayette, IN 47907, USA||West Lafayette, IN 47907, USA||West Lafayette, IN 47907, USA|
|email: email@example.com||email: firstname.lastname@example.org||email: email@example.com|


A new report card on the nation's schoolchildren shows a decline in math and reading scores.
FOX News Radio's Tonya J. Powers has more on the assessment results:
The 2015 "Nation's Report Card" doesn't get all A's.
The report, officially known as the National Assessment of Education Progress, says only about a third of the nation's eighth-graders were at proficient or above in math and reading - slipping over the last two years.
Among four graders, the results were slightly better - about two in five scored proficient or better.
And while scores slipped a little in reading, both fourth and eighth-graders were higher than 1990's results.
The report also found a continuing achievement gap between white and black students.
One of the bright spots?
Washington DC and Mississippi both saw substantial gains in reading and math.
Tonya J. Powers, FOX News Radio.


We’ve all been taught that dividing fractions is a complex idea that only advanced math students should try to understand. This isn’t true! In fact, dividing fractions can be a great equalizer, allowing everyone from grade school students to PhD candidates to learn the same concept. In this guide, we’ll show you how to divide fractions from the most basic level all the way up to a more complex approach. If you’re a beginner, check out the first part of the guide. If you’re a more advanced math student, check out the second part of the guide.
Whether you’re in school or trying to help your child with homework, learning how to divide fractions is a critical skill. Before you can divide fractions, you need to understand what fractions are. We’ll take you through the basics of dividing fractions, including what the definition of a fraction is, how to reduce fractions, and how to convert improper fractions to mixed numbers. You don’t need to dread fractions any longer!
How divides work
To divide fractions, you need to change the division problem into an multiplication problem. This is done by inverting the second fraction (the one being divided by the first). So, if you are dividing 3/4 by 2/5, you would change it to become (2/5) ÷ (3/4). Next, multiply the two fractions and reduce the answer if possible. In the example above, the answer would be (2/25) ÷ (3/4) = 1/12.
In mathematics, division is the process of separating a number into two unequal parts. The operation is denoted by the symbol “/” and is usually written in the form: dividend ÷ divisor. When dividing fractions, always remember to flip the second fraction and multiply. This is because fractions represent division of two equal quantities. For instance, if you want to divide 1/2 by 2/3, you would flip the second fraction (2/3) and multiply (1 x 2 = 2). The result would be 1/6, which is the answer to the original question.
How to divide on the top of the number line
When dividing fractions, it’s often helpful to think of them as division problems on the number line. In this way, it’s easy to see that the answer will always be between the two original fractions. For example, in the problem 1/2 ÷ 3/4, the answer will be somewhere between 1/4 and 1/2 on the number line. The key is to line them up so that the division line goes through the middle of the two fractions. If the number line is centered between the two fractions, then the answer will be right in the middle.
When dividing fractions, always think about how to divide them on the top of the number line. This means that you want to find a number that will go evenly into both the numerator and the denominator. For example, if you are dividing 2/3 by 2/5, think about what number will go into both 2 and 3 evenly. That number is 6. So, the answer to the division problem is 6/10.
How to divide on the bottom of the number line
Another method for dividing fractions is to use the number line. This can be especially helpful for visual learners. Start by drawing a number line, and then mark off equal divisions. (See example below.) Next, place the divisor (the number on the bottom of the fraction) over the dividend (the number on the top of the fraction), and draw a line through the two numbers. Finally, divide the points where the line crosses the number line to get the answer. In the example below, we’re dividing 9 by 3. The answer is 3 with a remainder of 2.
To divide fractions on the bottom of the number line, line up the fractions so that the denominators (bottom numbers) are lined up. Next, find the point where they intersect and draw a line straight down from that point. This is the answer. For example, if you’re dividing 3/4 by 2/3, line up the fractions so that the denominators are lined up.
How to divide on the side of the number line
You can also use a number line to help visualize the division process. When you’re dividing, think about the division as a movement along the number line. The number on the left is the dividend (the number that’s being divided), and the number on the right is the divisor (the number by which the dividend is being divided). The answer is always located where the two lines intersect. In the example below, the answer is 2 because 2 goes into 10 five times. If you’re not sure where to start, try lining up the number on the left with the number on the right. This will help you to see where to place the answer on the number line.
How to divide on the number line with addition or subtraction
One of the best ways to divide fractions is to use a number line. This way, you can visualize the fractions and see how they’re related. When you’re dividing fractions with addition or subtraction, it’s best to use a number line. For instance, if you’re dividing two fractions and one is bigger than the other, you would go left on the number line. This is because the bigger number is being subtracted from the smaller number. If you’re dividing two fractions and one is smaller than the other, you would go right on the number line. This is because the smaller number is being subtracted from the bigger number.
When it comes to dividing fractions, it’s important to understand how the number line can help us visualize the problem.
Dividing fractions can be a tough concept for people of all ages, so it’s important to have helpful tools that will lead you in the right direction. Luckily, our guide on how to divide fractions has everything you need to know about dividing fractions, from beginning steps to more complex examples. It’s easy when you know what you’re doing!
Dividing fractions can be a little tricky if you’re not used to it, but all the rules and tricks we use for adding and subtracting fractions should help you out when dividing them. You’ll also see that this is one of those times where algebraic simplification can come in handy – especially factoring common denominators. If you feel like your fraction skills could use some practice, or you just want to test yourself before attempting anything too crazy with real-world problems, why not try the interactive worksheet on how to divide fractions?


You appear to be on a device with a "narrow" screen width (, Derivatives of Exponential and Logarithm Functions, L'Hospital's Rule and Indeterminate Forms, Substitution Rule for Indefinite Integrals, Volumes of Solids of Revolution / Method of Rings, Volumes of Solids of Revolution/Method of Cylinders, Parametric Equations and Polar Coordinates, Gradient Vector, Tangent Planes and Normal Lines, Triple Integrals in Cylindrical Coordinates, Triple Integrals in Spherical Coordinates, Linear Homogeneous Differential Equations, Periodic Functions & Orthogonal Functions, Heat Equation with Non-Zero Temperature Boundaries, Absolute Value Equations and Inequalities. These cookies will be stored in your browser only with your consent. Here we have provided a detailed explanation of differential calculus which helps users to understand better. Therefore, calculus formulas could be derived based on this fact. There isn’t much to do here other than take the derivative using the rules we discussed in this section. Riemann Sums: 11 nn ii ii ca c a 111 nnn ii i i iii ab a b 1 It is mandatory to procure user consent prior to running these cookies on your website. Implicit Differentiation Formula with Problem Solution & Solved Example, U Substitution Formula – Problem Solution with Solved Example, Integrals Maths Formulas for Class 12 Chapter 7, List of Basic Algebra Formulas for Class 5 to 12, Discriminant Formula with Problem Solution & Solved Example, What is Vector in Math? b a f xdx Fb Fa, where F(x) is any antiderivative of f(x). Integrals 5. Limits and Derivatives 2. Vedantu academic counsellor will be calling you shortly for your Online Counselling session. Pioneermathematics.com provides Maths Formulas, Mathematics Formulas, Maths Coaching Classes. It has two major parts – One is Differential Calculus and the other is Integral Calculus. This subject does constitute a major part of contemporary mathematics education.
with the help of basic calculus formulas. Calculus is known to be the branch of mathematics, which deals in the study rate of change and its application in solving the equations. The process of finding derivatives or instantaneous rate of change with respect to a function, it is termed as differentiation.
They are tough to understand at a first glance, So, you need a proper understanding of the rules before you actually implement them for the complex problems. These cookies do not store any personal information. 11. Part of 1,001 Calculus Practice Problems For Dummies Cheat Sheet . Take an example of the small curve whose slope or tangent is difficult to calculate without the right technique. The differentiation is defined as the rate of change of quantities. Differential Calculus Formulas. Following are some of the most frequently used theorems, formulas, and definitions that you encounter in a calculus class for a single variable. It is also helpful in designing mathematical models to reach the optimal solution. List of Basic Vector Formulas, What is Derivatives Calculus?
Compound Interest Formulas, Straight lines Formulas for Class 11 Maths Chapter 10, Difference Quotient Formula | Quotient Rule Derivative & Differentiation, Implicit Differentiation Formula with Problem Solution & Solved Example. Derivative Formula, Copyright © 2020 Andlearning.org As we saw in those examples there was a fair amount of work involved in computing the limits and the functions that we worked with were not terribly complicated. The differentiation is defined as the rate of change of quantities.
Maths Formulas - Class XII | Class XI | Class X | Class IX | Class VIII | Class VII | Class VI | Class V Algebra | Set Theory | Trigonometry | Geometry | Vectors | Statistics | Mensurations | Probability | Calculus | Integration | Differentiation | Derivatives Hindi Grammar - Sangya | vachan | karak | Sandhi | kriya visheshan | Vachya | Varnmala | Upsarg | Vakya | Kaal | Samas | kriya | Sarvanam | Ling, Partial Differentiation Calculus Formulas.
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The P Chart plots the percentages for each period as a point on the line. The percentage is the total numerator for that period (Total Beta Blockers Administered Prior to Arrival) divided by the total denominator of that period (Total eligible for Beta Blockers). This chart uses a sigma determined by the number of points plotted on the chart.
This analysis type, P Chart, automatically calculates the number of sigmas to use to calculate the control limits, depending on the number of periods display. See T Table for further information.
The P chart addresses those indicators where we are measuring one of two possible outcomes of an event. Often, compliance indicators come to mind for these types of charts. For example, "Beta Blockers Prior to Arrival": For each patient arriving, did they receive beta blocker prior to arrival?
The numerator is the number of patient receiving beta blockers and the denominator is the number arriving. The numerator is a subset of the patients in the denominator and the resulting percentage cannot exceed 100%.
Other chart available for the Percentage Type are Bar Chart, P Chart 3-Sigma, P Chart 2-Sigma, Bar Chart with Cumulative, Run Chart and Trend Chart.


Statistical Analysis tools do not spark interest to me when looking for resources online. I did enjoy reading all the stats on http://www.amstat.org/sections/sis/Journals%20and%20Publications/ in the sports data section. I thought it was very useful to have the ability to look up any sport and find specific stats on players and teams. I also enjoyed reading the journals posted that explains different types of analysis within sport medicine. I have a more open minded approach to using statistical analysis tools with the free software to become more familiar with statistical analysis tools.


The translation of riichi terms comes from WRC and EMA
Kujo Karen loves playing Majsoul, so she makes out a problem about Majsoul. Wish you won't no longer love Majsoul because of this problem.
Today Karen decides to play Majsoul, but all her friends have gone to play Dota AutoChess and Karen have to play Majsoul alone. She finds a special mahjong set. The mahjong set consists of ranks of tiles (ranked from to ), and each rank of tiles include 4 tiles (numbered from 1 to 4). In this problem, we DO NOT consider their suits.
A chow (shuntsu 順子) is three consecutive tiles (i.e. their ranks are , , respectively). A pung (kōtsu 刻子) is composed of three identical tiles. A group (mentsu 面子) is either a chow or pung (In this problem, we DO NOT consider kong). A pair (toitsu 対子) is composed of two identical tiles.
A player's hand (his/her 14 tiles) is a winning hand if it has four groups and a pair, or seven different pairs.
For example, these hands are winning hands:
And these are not:
Firstly, Karen draws tiles from the wall, and shuffle the remaining tiles. The shuffle is at random, i.e. all the permutations have equal probability to appear.
For a permutation , denote as a mahjong hand composed of Karen's prepared tiles and 's first tiles. the weight of is the smallest which can let exist a subset that is a winning hand. If you are familiar with mahjong, obviously the weight of equals to the minimum turns to complete a winning hand. Notice that when , always has a subset that is a winning hand, so the weight of is well-defined.
She lets you to calculate the expected value of the weight of in advance.
接下来输入 行每行两个整数 ，表示可怜最开始摸出的第 张牌是大小为 的第 张牌，保证 二元组两两不同。In the following lines, each line includes 2 integers , represents that the -th tile Karen draws is the -th tile of rank .


They’ll assist you to assign the perfect practice for every student from our full math curriculum and observe your students’ progress across the yr. Plus, they’re additionally 100% free — with no subscriptions and no adverts. An international staff of researchers examined what the software may handle by providing the generative AI program with difficult graduate-level arithmetic questions. While ChatGPT failed on a significant variety of them, its correct answers instructed that it might be helpful for math researchers and teachers as a sort of specialised search engine. To be taught math effectively, you want a holistic method that covers principle and sensible examples. Practical examples allow you to use your new math knowledge in real-life, cementing it in your mind.
- Academics ought to teach from a perspective informed by their tutorial experience, not from a political perspective decided by the QAA.
- Khan Academy’s practice questions are 100% free—with no adverts or subscriptions.
- More than 425 math video games, logic puzzles, and mind exercises for college kids to follow their math skills.
- The Art of Problem Solving web site presents math lessons for elementary, middle, and highschool students.
- It adapts to show youngsters the matters they’re most able to learn.
- Find movies created by other teachers, and upload your individual to share.
Khan Academy’s follow questions are one hundred pc free—with no adverts or subscriptions. The algebra section permits you to broaden, issue or simplify just about any expression you select. It additionally has instructions for splitting fractions into partial fractions, combining several fractions into one and cancelling frequent elements inside a fraction. It’s important to know which assets you enjoy, as these are the most effective port of call for self-directed learning. These questions help you to find a web site to swimsuit your ability stage, whether you’re contemplating a math website from our record or elsewhere. With over thirteen,000 entries, MathWorld is among the most intensive sources for math articles in the world.
Created by experts, Khan Academy’s library of trusted apply and classes covers math, science, and more. For our experiment, we asked teachers to evaluate a set of pupil options to math issues. The teachers didn’t know that gender- and race-specific names, similar to Tanisha and Connor, had been randomly assigned to the options.
Taking My mathlearningcenter.org grade 5 To Work
Learn Algebra 2 aligned to the Eureka Math/EngageNY curriculum —polynomials, rational features, trigonometry, and extra. Learn sixth grade math—ratios, exponents, lengthy division, adverse numbers, geometry, statistics, and more. Learn third grade math—fractions, area, arithmetic, and a lot more. Read on for more on how math lecturers use—or adapt—district-provided curricula, where they source supplemental materials, and how they ask their students to strategy problem-solving. Our a hundred,000+ apply questions cover every math subject from arithmetic to calculus, as nicely as ELA, Science, Social Studies, and extra.
Multiple-choice questions are projected on the screen, then college students answer with their smartphone, tablet, or computer. An award-winning series of math apps that harness the facility of digital tools to create a greater, deeper, extra fun studying experience. Blogs similar to “Making Math Social” and “Saying No to Math Anxiety” are included as assets for lecturers and fogeys. This award-winning program finds and fixes studying gaps with the facility of personalised learning.
You will want to get assistance from your school if you’re having problems coming into the solutions into your online assignment. Learn arithmetic—addition & subtraction, multiplication & division, fractions, decimals, and extra. Learn the fundamentals of algebra—focused on common mathematical relationships, similar math learning center review to linear relationships. Learn early elementary math—counting, shapes, primary addition and subtraction, and extra. Across the globe, 617 million youngsters are lacking primary math and reading skills. We’re a nonprofit delivering the training they want, and we need your assist.


To use the ruler
Click the dimensions pill found at the bottom left of the proofing screen.
Select use ruler, then use your mouse to click and drag to draw a line or box to see the measurements.
To change the units of measurements, click the units and select a different option (pixels, millimeters, inches etc)
Use the keyboard shortcut ‘-’ to turn the ruler on/off, or click off the proof.
You can change the scale.
To measure a diagonal line, draw a box around the element and you’ll see the diagonal measurement displayed along with the width x height.


During the week we have been learning all about measurement.
We know how to measure things in centimetres and metres but can we measure both?
Let’s grab our measure monsters and see what we can do.
Great job measuring guys I wonder what you discovered.
Taylor: I discovered that the red bars are 83cm long
Nhi: I discovered the poles that you walk on the length is 93cm
Christiaan: I discovered that bark can be 6cm long
Jonathan: the longest thing I measured 3.20 metres long
David: I discovered the height of the firemans poll is 3.9 metres
Thein an: the monkey bar height is 2 metres high
Shanitah: I found the curvey monkey bars 2.60 metres in height and 2metres and 90 centimetres in legnth
Henry: I discovered Mr French is 180 centimetres tall


Comes as Shown You can never find the true circumference or area of a circle because we can never find the true value of pi. Made from sustainably sourced wood and 90% recycled display cards. Laser-cut wood Stained with water-based dye Earrings shown in color Black Satin!
Size 1.0" x 0.95"
W: 0.01 lb
Adding product to your cart
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.


Calculations are a key part of National 5 Chemistry (and chemistry in general). Love ’em or hate ’em, you still gotta do ’em.
An important part of carrying out calculations is actually understanding what the question is asking and how to tackle it.
Below is a detailed walkthrough of a Volumetric Titration Calculation, where you’re asked to calculate the concentration of a solution but you’re only given a volume. Remember, to calculate number of moles, concentration or volume of a solution you use the following triangle:
However, you need 2 values to be able to calculate the unknown. What the video explains is how you can work out the number of moles of a known solution and use that value (depending on the mole ratio) in your c=n/v calculation.
You can do it!


Dates are a peculiar type of data that we have to work with. In some sense, they aren’t a number, but instead are a combination of month, day, and year. But at the same time, in most programming languages, they are fundamentally a number: the number of seconds since the Unix epoch.
Adding to Dates
I first wanted to move a date forward a week, so I thought that perhaps I could add 7 days worth of milliseconds to the date to get next week. Go ahead and try it:
new Date() + (1000 * 60 * 60 * 24 * 7)
How To Add
In order to add to Dates, I had to create a new Date, using the value returned from getTime and adding milliseconds to it, and using that new (humongous) number in the constructor.
var nextWeek = new Date(today.getTime() + 1000 * 60 * 60 * 24 * 7);
This is because the Date’s toString method is being evaluated instead of it’s valueOf. We can also overcome that with an additional plus sign.
+(new Date()) + (1000 \* 60 \* 60 \* 24 \* 7)
Subtracting from Dates
new Date() - (1000 * 60 * 60 * 24 * 7)
Result is a number: 1252714884521. This does the proper math, but not everything I had hoped and dreamed for. No matter, receiving a number is certainly a result I could expect, as opposed to the string joining from addition.


|Project cost ($):||20|
|Time required:||1 hour for preparation, 2 days for the science project experiment|
|Material availability:||Very easily found|
Boys will be able to complete the math test more quickly than the girls, while multitasking.
Multitasking refers to handling or performing more than one task at a time. The rapid pace of today’s modern lifestyle means that it is very difficult for many of us to get through our day without multitasking in some form or another. Multitasking does not require two or more tasks to be performed at the exact same time; instead, multitasking already occurs when our attention is divided between different tasks in the hope of completing them faster, instead of completing them one at a time, in series.
Both men and women perform multitasking daily. We're actually multitasking when we read the newspaper while sipping a cup of coffee or having our breakfast. A mother who has to wake up early in the morning to get her children ready for school, prepare breakfast and at the same time get herself ready for work must multitask and manage her time well.
Although multitasking will help us to complete more jobs in a shorter amount of time, our attention to the details of the job may be diluted. Multitasking can be done to improve our productivity in jobs that are routine in nature or those that we are familiar with. However, it should be avoided when undertaking an unfamiliar task.
The materials required for this science fair project:
- 10 boys 13 years of age
- 10 girls 13 years of age
- 20 glasses of milk
- 40 cookies
- 20 MP3 players
- 2 sets of Mathematics test papers of equal difficulty
- An examination hall with tables and chairs
- A stopwatch
1. For this science fair project, the independent variable is the gender of the participants and whether the test is done while multitasking. The dependent variable is the average time taken by the students to complete the 2 tests. This is determined by measuring the time taken by the students to finish the tests and calculating the average time taken by all of the students. The constants (control variables) are the age of the students, the difficulty of the math test and the number of questions to be answered.
2. Select 10 boys and 10 girls age 13, to take part in this science fair project. Prepare 2 sets of Mathematics test papers and make 20 copies of each test paper.
3. On the 1st day of the experiment, have the 20 students brought into the examination hall and have them take the math test. Record the time taken for each student to complete the test. Calculate the average time taken by the participants to complete the test, and record your calculations according to their gender in a table, as shown below.
4. On the 2nd day of experiment, bring the 20 students into the exam hall again. Place a glass of milk, 2 cookies and a MP3 player on each of their tables. Tell the students to listen to the MP3 player, drink the milk, eat the cookies and complete the Mathematics test at the same time. Record the time taken by each student to complete the test. Calculate the average time taken by the boys and girls to finish the tasks, and record your calculations in a table, as shown below.
The results show that the average time taken by the girls to complete the test while multitasking was shorter than the average time taken by the boys.
|Gender||Average time taken to complete Mathematics test (minutes)|
The above results were then plotted onto a graph, as shown below.
The hypothesis that the boys would be able to complete the Mathematics test faster than the girls while multitasking has been proven to be false.
Multitasking helps us to finish our routine jobs more quickly. It helps us to improve our productivity and manage our time better. However, there are also some dangers to multitasking. Smoking or talking on the cell phone while driving can distract the driver and cause accidents.
The science fair project can be repeated on students from different age groups.
The experiment may be modified by giving the students other tests, such as writing an essay.
Human multitasking - http://en.wikipedia.org/wiki/Human_multitasking
Multitasking and gender – beware the stereotypes - http://ezinearticles.com/?Multitasking-and-Gender---Beware-the-Stereotypes&id=2615419


Created by akb13 on 09 Dec 2009 | Tagged as:
Objective: Students will be able to identify matrices and their elements and organize data into a matrix.
Materials: Slide print-out of lesson, bag of K’nex with 2 red sticks, 2 blue sticks, 2 purple sticks, and 12 random connector pieces, whiteboard, dry-erase markers, and pg. 170 of their Algebra 2 book.
1) Have students get out their homework while teacher takes attendance.
2) Have the students pass forward the homework and get out their notebooks to take notes.
3) Have the students get into groups of 3 of their choice, but they need to push their desks together closely so there aren’t any cracks.
4) Hand out one bag of K’nex to each group, asking the students to be careful with these K’nex as they are mine and they tend to break easily.
5) On the board explain what a matrix is, what it looks like, and how to find the dimensions of one.
6) Have all of the groups create a 2 x 3 matrix with their K’nex using the sticks as the brackets and the pieces as elements in the matrix.
7) After checking that all of the groups created this 2 x 3 matrix, have the students see how many different sized matrices they can make with what they have.
8) Each new matrix the students need to write down in their notebook and state the dimensions next to it.
9) Walk around to ensure all of the groups understand what they are supposed to be doing, then have each group list a couple of the dimensions that they found and write it on the board.
10) Explain to the students how to find the element of a matrix. Then have the students set up a matrix and quiz each other on what the different elements are.
11) Walk around and ask each individual student “Where is element such and such?” and have them pick up the piece that represents that element to quickly assess if everyone understands.
12) Have the students create a matrix in their notebook based on the number of pieces of each color that they have and the type of pieces, labeling the columns as the different types of pieces and the rows as the colors. Do part of it with them, then have them finish it.
13) Use the two additional examples from the lesson-slides to allow the students to see different ways that these types of problems can be presented.
14) As a last check, put the lesson quiz on the overhead and have the students complete it.
15) Allow the students time to work on their homework: pg. 170 1-10 all, 12-18 even.


1)A census taker approaches a house and asks the woman who answers the door “How many children do you have, and what are their ages?”
Woman: “I have three children; the product of their ages is 36, the sum of their ages is equal to the address of the house next door.”
The census taker walks next door, comes back and says “I need more information.”
The woman replies “I have to go; my oldest child is sleeping upstairs.”
Census taker: “Thank you, I now have everything I need.”
What are the ages of each of the three children?
The reason the census taker could not figure out the children’s ages is because, even with knowing the number on the house next door there were still two possibilities.
The only way that the product could be 36 and still leave two possibilities is if the sum equals 13. These possibilities being 9, 2 and 2 and 6, 6 and 1.
When the home owner stated that her “oldest” child is sleeping she was giving ths census taker the fact that there is an “oldest.” The children’s ages are therefore 9,2 and 2.


Linear programming is operations research techniques that originated in 1950. Having diverse practical applications, the technology has benefited immensely from various institutions in their production and other functions. Professor G.B. Dantzig is one of the pioneers in the developed procedure Linear programming
This technology can be applied in different situations :. Visibility planning, production planning, warehouse decisions, physical decisions distribution, marketing and product mix decisions, liquid blending problems, exploration of oil deposits, purchase decisions, quality control decisions, management decisions, etc.
basic problem solved by linear programming is optimizing either profit or total cost or some other utility function. It takes into account the limitations restrictions on supply or use different resources such as manpower, machines, materials, time and money as well as other limitations and restrictions, such as those available on the market (for example, only so many units of the product could be sold ) or quality specifications, such as maximum or minimum performance properties of products, etc. In short Linear programming deals with optimization desired goals under circumstances in which there are various constraints. Most management problems are optimal problem decisions made under various restrictions. The Linear programming rightly draws attention to the practice managers.
We can show what linear programming methods through a simple example. Suppose a company produces two products X and Y, both have certain ingredients and specific machine. Product X requires 4 machine hours and 3 kg of raw material per unit of product, and product Y requires 2 machine hours and 6 kg of raw material per unit of product. Assume that the supply of machine hours and raw materials is limited. The raw material is available to a maximum extend only 240 kg per month and mechanical classes are available due to extend only 200 machine hours per month. Each of the products X and Y contribute to margin of $ 7 and $ 9 respectively per unit of product. How many units of goods X and Y, the enterprise should produce every month?
To solve the above problem, you must understand the concept of linear programming clearly and apply it properly. If you face problems while learning this concept then you can take the help of private teachers. Finding the right private tutor for a particular topic, location and time is possible via the Internet. You just need to take out some time from your busy schedule to find a teaching online services.


Calling all mathletes! The CMU-Q Integration Bee Competition wants to put your mathematical integration skills to the test. If you are an undergraduate university student in Qatar with a background in calculus 2 (knowledge of all integration techniques), come solve challenging definite and indefinite integrals and face off against your peers.
The Integration Bee is an annual calculus competition pioneered in 1981 by Andy Bernoff, an applied mathematics student at the Massachusetts Institute of Technology (MIT). Similar contests are administered every year in universities and colleges across the United States and many other countries.
By bringing this competition to Qatar, the CMU-Q Integration Bee aims to assess, promote and celebrate excellence in mathematics, while fostering a sense of community among individuals with a shared interest in mathematics. The Integration Bee also provides an opportunity for students to deepen their understanding of calculus and improve their problem-solving abilities through healthy competition with fellow participants.
When: Saturday, April 20, 2024
Time: 10:00 a.m. – 4:00 p.m.
Location: Carnegie Mellon University in Qatar
Who: Undergraduate university students in Qatar with a background in calculus 2 (knowledge of all integration techniques).
Rules and regulations:
The competition consists of two rounds, the qualifier round and the Playoffs round. The qualifier round consists of a 60 minutes written test of 20 integrals. Participants scoring in the top 16 will advance to the playoffs. In the event of a tie, a tie breaker is performed. The remaining participants are welcome to attend the playoffs and cheer for their peers.
The playoffs round consists of a four-round single elimination tournament. Competitors face off in solving integrals at the board. The integrals will be projected onto a screen along with a timer. The integrals become more challenging as the contest progresses.
Prizes await the winners and certificates of participation will be available for all participants!
Note : Only writing tools are allowed in the competition (notes, books, phones, calculators, or consulting other people are not allowed at any time).


Determination of the Eigenfrequency of a tuning fork. Excitation with an impuls hammer.
Figure 1 shows the tuning fork with about 80mm fork length.
Figure 1: Tuning fork with applied marker for displacement measurement.
For the horizontal displacement measurement of the top edge a RTSS-System (RTSS_HS) with 1.4kHz measurement rate is used. Figure 2 shows the time plot of the displacement.
Figure 2: Temporal plot of the fork displacement in millimeter.
Figure 3 shows the fourier transformation of the displacement. From this the Eigenfrequency is measured: 440Hz reflects the tone A of the tuning fork.
Figure 3: Fourier transformation with Eigen frequency (440Hz).
This measurement shows, that a RTSS system can be used to measure online fast movements on periodic and non perdiodic events.


2 edition of Math Elementary Teachers 6th Edition with Student Resource Manual and Student Survey Set found in the catalog.
Math Elementary Teachers 6th Edition with Student Resource Manual and Student Survey Set
Gary L. Musser
April 18, 2003
by John Wiley & Sons
Written in English
|The Physical Object|
Originally developed by Dr. Arnold P. Goldstein and Dr. Ellen McGinnis, Skillstreaming is a highly acclaimed, research-based prosocial skills training program published by Research Press.. Skillstreaming employs a four-part training approach—modeling, role-playing, performance feedback, and generalization—to teach essential prosocial skills to children and adolescents. College Preparatory Mathematics offers curriculum for grades and has a student, teacher, and parent resource center online. The student Skill Builders are particularly useful for extra problem sets with answers and additional explanations for topics in the following texts: Foundations for Algebra 1 & 2, Math 1 (algebra 1), Math 2 (geometry.
Learn how we support you through course set-up, training, and the first day of class. Community Explore our Community page to learn more about our Blogs and hear Testimonials from WileyPLUS users. Free textbooks (aka open textbooks) written by knowledgable scholars are a relatively new phenomenon. Below, find a meta list of Free Math Textbooks, part of our larger collection Free Textbooks: A Meta see our online collection, 1, Free Online Courses from Top Universities.. Abstract Algebra: The Basic Graduate Year by Robert B. Ash, University of Illinois.
Mathematics. For Grade K–8+, discover core programs, Sadlier Math and Progress in Mathematics, and supplemental programs include instruction, practice, preparation for assessments, and rich digital resources such as virtual manipulatives to help students develop the deep conceptual understanding they need to be successful. Complete Grade Level Courses. For each grade level, these homeschool curriculum sets provide all teacher and student materials needed to complete one school year for core subjects. For more help finding products on our site, see our complete list of all product categories.
Principles of YMCA family programs
The ecclesiastical polity and other works of Richard Hooker
Russias gift to the world
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More editions of Math for Elementary Teachers 6th Edition with eGrade v Student Learning Guide 2 Term and Student Survey Set: Math for Elementary Teachers 6th Edition with eGrade v Student Learning Guide 2 Term and Student Survey Set: ISBN () Hardcover, John Wiley & Sons, Mathematics for Elementary Teachers, 10th Edition establishes a solid math foundation for future ghly revised with a clean, engaging design, the new 10th Edition of Musser, Peterson, and Burgers best-selling textbook focuses on one primary goal: helping students develop a deep understanding of mathematical concepts so they can teach with knowledge and confidence.
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This book is intended to be used by children ages 5 to 6. Other age groups will also benefit from the book. Anyone can use this book globally, although the curriculum may differ slightly from one region to the other.
This is so because the core content of Mathematics is the same around the world. Dana Islas is a Math Solutions consultant, kindergarten teacher at Pueblo Gardens Elementary School in Tucson, Arizona, recipient of the Presidential Award for Excellence in Mathematics and Science Teaching, and author of the multimedia resource How to Assess While You Teach Math: Formative Assessment Practices and Lessons, Grades K–2.
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Eureka Math® Equip: Module-by-module pre-assessments that identify gaps in student understanding and link seamlessly to targeted instruction, setting students up for success in the module ahead.
The Number Corner Student Book presents opportunities for independent practice and engagement with the skills and concepts covered in the daily workouts. Also available in Spanish. Student books are included in electronic form as part of the Bridges Educators Site, allowing teachers to.
ISBN: (New Custom Edition Fall but you can still use the 6th Edition for Math /H) Calculus Student Solutions Manual, by R. Ellis. FlexBook® Platform + CK Overview. Please wait. Lesson plans, unit plans, and classroom resources for your teaching needs.
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Author: Cindy Neuschwander/ Marilyn Burns
Illustrator: Liza Woodruff
Publishing Information: Marilyn Burns Education Associates, 1998
Number of Pages: 30
Genre: Picture book
Amanda Bean is a little girl who loves counting. Her teacher tries to convince her to learn multiplication but Amanda refuses until she has an amazing dream about counting a huge number of things. She realizes that multiplication is very helpful.
This book serves a purpose of giving children basic mathematical common sense about numbers and operations. It functions as a door for children to be interested in math by introducing Amanda Bean who “counts anything and everything” (P. 10).
I found the book problematic in the following two ways. Firstly, Amanda Bean seems to lose control of counting and I do not think it is a healthful habit. For example, “I am Amanda Bean and I count anything and everything” (P. 10) and “Now I must count the yarn, too!” (P. 21), such verses show a couple of times. It might mislead children to think that to love math is to count all the time. Psychologically, it is not proper to encourage children to “count anything and everything” (P. 10). Secondly, one of the ideologies the author conveys is that everything is quantifiable since Amanda Bean is able to “count anything and everything” (P. 10). However, in the real world, a lot of important things are not quantifiable such as love and friendship. It is also important for children to know that life is not all about counting.
Perceptually, the book use bright colors a lot which demonstrate Amanda Bean’s enthusiasm towards math. The images are not framed. Therefore, children can easily participate in the counting process. In her dream that she needs to count many things, the illustrations become chaotic and repetitive which means that the character is gradually losing control. Structurally, there is not any obvious separation between the text and images. Ideologically, this book promotes academic interest and conveys the idea that math is everywhere. Absorbing knowledge and being innovative can help people do better in academia. Besides, this book stresses individuality by mentioning the word “I” all the time. However, the book also points out that “I” is not necessarily correct all the time. “I” need help and accepting help could help “I” do things quicker and better.


Linear Algebra: Matrices, determinants, system of linear equations, eigenvalues and eigenvectors, LU decomposition. Calculus: Limits, continuity, and differentiability. Maxima and minima. Mean value theorem. Integration. Probability: Random variables. Uniform, normal, exponential, Poisson, and binomial distributions. Mean, median, mode, and standard deviation. Conditional probability and Bayes theorem.
Very important topics: Matrices, determinants, eigenvalues and eigenvectors, Random variables. Uniform, normal, exponential, Poisson and binomial distributions, Conditional probability, and Bayes theorem
Text Books: Probability by Sheldon Ross


In a surprisingly large part, our reality consists of computable problems. Should I buy or rent this? What is my ideal calorie intake? Can I take this loan? Or even how many items do I need to sell at what price in a business venture to reach a point where profits equal costs? Often we are unable to solve these problems because we lack the knowledge, skills, time or will to do the calculations. And then we make bad, uninformed decisions.
Omni Calculator is here to change all that – solving every calculation-based problem will make it a trivial thing for anyone.
This site seeks to solve all the little math problems that people do on an everyday basis. You can always use the calculator on your device or do a quick search, but for more complex answers there are 1585 calculators on this site to try to help.
Omni Calculator is a web/mobile calculator that solves tangible problems like mortgage payment, gross margin, body mass index, cooking, zombie invasion and everything else you can think of (within reason).
Omni Calculator exists to give you a superpower – to see the world through the lens of science. There are 1000+ custom calculators built here that take just seconds to use and give you exactly the numbers you need.
It’s simple to use, find the calculator group you want, click it, and choose from several specialized calculators in the following categories:
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Yuchai series generating units are popular in the market at present. They have good economic performance, low fuel consumption and sufficient power. But many people do not calculate the fuel consumption of Yuchai generating unit in detail. Hengfha provides you with the calculation method of the fuel consumption of Yuchai generating unit.
Generally speaking, the fuel consumption of generating units is related to the following two factors:
1. The fuel consumption rate of diesel generating units and the fuel consumption of various brands of diesel generating units are different.
2. When the load of diesel generator set is large, the fuel consumption will be larger, and the relative fuel consumption will be smaller when the load is small.
Guidelines for Conversion of Units for Calculating Diesel Generator Fuel Consumption:
Note: The ratio of water to diesel oil is about 1:0.84-0.86, so，1L = 0.84-0.86 kg, 1L = 0.85 KG.
We usually use the unit G/KW.H, which means how many grams of oil are consumed per hour per kilowatt, and how many liters of oil are consumed by replacing this unit with this unit, so that you can know exactly how much oil you are consuming per hour, and some manufacturers directly tell L/H that is the meaning of how many liters of oil are consumed per hour.
Above is the calculation method of fuel consumption of Yuchai generating set. More questions about diesel generating set are Welcome to contact us with email@example.com


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Calling All Bright Young Things
You're invited to experience our Science, Technology, Engineering and Maths Event Saturday 13th October from 10.30am – 4pm in our Childrenswear Department on Lower Ground Level.
Kids will love our educational and fun-filled day, celebrating all things Science, Technology, Maths and Engineering.
With interactive workshops from Djeco, robotics with Trinity Walton Club and wacky experiments with Dr. Jennifer Cleary, children can design, draw, code and create and watch their own ideas come to life!
Throughout the day there will be face painting, arts and crafts and much more, so kids of all ages are guaranteed to be entertained.


How to calculate and accurately position increases and decreases
A top tip for stitch and row breakdowns for use on:
- underarm seams
- button hole placement
- skirt flares
- bias knitting
- gathered sleeves
- circular yokes
If you need to increase (or decrease) a specific number of stitches within a specific number of rows there is a reliable way to calculate this.
The spacing of the increases (ie the number of rows between the increases) is just as important as the number of increases. The last increase should not be right at the end of the required rows as you need to allow for any further shaping. For example your next step could be to cast off for the underarm of a sleeve. You need to consider both the bands of rows between the increases as well as the row which has the increases.
Try this example
|Number of rows available to make all increases||90|
|Number of stitches to begin||70|
|Number of stitches required at end||100|
|Total number of extra stitches required||30|
|Number of paired increases (1 at each end of the row)||15|
|But to allow for straight rows after the final increase is made + 1 to the total number of pairs||16|
Work through the calculation
Use the figures and formula above and work through the calculation, looking carefully at the arrows to see how the parts of the formula are related.
- You take the number of rows available (90) and divide them by the total of paired increases, 15 plus 1 (16 )
- 16 goes into 90, 5 times plus a decimal point but round this up and show it as (+1) - you can't have parts of rows! (So 16 times 5 equals 80)
- 90 - 80 leaves 10; now subtract 10 from the numbers of paired increases plus 1 which gives 6
These results are read as follows:-
- Increase every 5 rows 6 times (which gives you 12 stitches and 30 rows)
- Increase every 6 rows 9 times for a total of 15 paired increases plus 1 more band of rows (which gives you 18 stitches and 54 rows plus extra 6 rows)
The method described above was included in Japanese diagrammatic patterns for machine knitting and gained prominence in the 1970s but the equation itself was derived by the ancient Greek mathematician, Diophantos. This method of calculation was called the Magic Formula by an American machine knitting authority because it proved so useful to British and American machine knitters at the time. It is also known as the line sum formula.


November 19th, 2009
After seeing our rigging tutorial, a number of you asked me how we calculate our vertex weights. However, many of you reading the blog are probably asking yourselves a more basic question:
What are vertex weights?
When we first load the rabbit, it's a static model: just a collection of triangles with an image wrapped around it. Next, we create the skeleton, which is a set of line segments (bones). Finally, we get to the tricky part. How do we attach the model to the skeleton so that they both move in the same way?
For every vertex (triangle point) in the model, we have to figure out which bones it should be attached to, and how strong each attachment should be. This information is stored in the vertex weighting. Below you can see the static model, the model with a skeleton, and the area of influence for each bone.
Using the vertex weights, we can match the model's pose to the skeleton's. Whenever a bone moves, we can apply the bone's movement to all vertices that are attached to it, modulated by the attachment strength. The attachment strength is important for smooth deformation at joints, where vertices are attached to multiple bones. Here is an example of pose matching using vertex weights:
Usually these weights are painstakingly applied by hand, using a virtual 'paintbrush' or some kind of 'envelope' system. However, this is a long, tedious process, and I didn't want to force Aubrey (and modders) to go through it if it could be automated.
How do we calculate them automatically?
The most obvious way to calculate vertex weights is to attach each vertex to the closest bones, weighted by distance. At first glance the results look ok, but if you move the bones around, you start to see problems. For example, the bones in one foot can affect vertices in the other because they're in close proximity, even though they're not connected.
Clearly we're can't just use simple Cartesian distance -- we need the distance of the shortest path within the volume of the model. For example, the distance from the right foot to the left foot should be about equal to the distance from the right foot to the right shoulder, because the path must go up one leg and down the other. When working with volumetric calculations, it's often helpful to voxellize the model. Voxellization turns the model into a 3D cube structure that approximates the model's shape.
I found that the easiest way to think about this was in terms of heat. We can treat each bone as a heating filament, and then diffuse the heat through the voxel model. Diffusion is pretty easy using a voxel model -- we can just set each voxel's heat to a weighted average of its neighbors' heat, and repeat as necessary until it diffuses completely.
The final heat distribution is proportional to the shortest path from the bone to any point in the model, so we can get the final vertex weights by just comparing the heat from each bone at each vertex. Here is a picture of the foot bone's 'filament', the foot's heat distribution, and its final vertex weights:
I found this algorithm to be intuitive and easy to use, and it eliminates the most tedious part of character modeling. I am very happy with this technique! Confusingly, there's an existing skinning algorithm called 'bone heat', but it has a very confusing implementation, and incorrectly uses surface diffusion instead of volumetric. If I had to name my techique I would call it "volumetric heat diffusion". Here is the rabbit posed in various ways using automatic vertex weights:
There are a couple of ways I can think of to improve this technique, but haven't implemented them yet because they're not urgent. First, the heat diffusion is a massively parallel task, so it could be sped up by orders of magnitude using the GPU. Second, it would be useful to have some interface to make the joint blending harder or softer in specific areas by using different power functions on the heat values.
Do you have any more questions about the vertex weights, or ideas to improve it?


Card counting in blackjack is somehow a nightmare for those us who are a bit forgetful or are dealing with mathematical anxiety. But this article will overpower all your fears and lack of coherent strategy. A punter doesn’t actually need to remember how many aces, queens or 4s are dealt out of the shoe. As we know that in the intense game of blackjack, all the picture cards hold a value of 10 and aces may be treated as 1s or 11 as per the hand played. So, more the aces and 10 value cards are lasting with the shoe more it is beneficial for the player. It influences the odds of winning. So, truly it is not mere keeping the track of number of cards dealt but it is actually hi low card counting i.e. the ratio of low value cards to high value cards.
Let’s simplify blackjack card counting practice by understanding few basic steps.
-> Assignment of values to cards:
Card of 2 to 6 holds a value = +1
Card of 7 to 9 holds a value = 0 and,
Card of value 10 to ace holds a value = -1.
-> Keeping a Running Count
These values signify that with each card dealt, a player will not be keeping the count of that card, rather will either be adding 1, subtracting 1 or doing nothing as per the above assigned values. This is done card after card and for each and every round until the dealer shuffles the card from the shoe. This strategy was quite helpful with the single deck game of blackjack. Higher the count, more are the odds of winning for the player. The high value cards pay out well and increases the chances of dealer going “bust” or over 21.
-> Keeping a True Count for multiple deck game of blackjack.
Maintaining a true count actually means to calculate a running count per deck. Casinos are smart enough nowadays to play with more than one deck. So, a shrewd player actually needs to calculate the true count by dividing the running count by the number of remaining decks . Maintaining this true count can take the bet to your advantage and you can place your strategic moves for much more cash.
-> Playing Deviations
Experts suggest to raise your bets as the true count rises and lower down the bets with the falling true count. Even a neutral true count doesn’t favour the player much.
Card counting is also about speed and accuracy. So, rather than each time going with calculations of getting a 4 (+1) and a jack (-1), resulting in a running count of “0”, take the card counting in pairs. Just keep in mind that whenever you get a high card and a low card, they cancel each other out and will simply be a “0”. This way, you will be a hands on expert in Las Vegas style card counting. Gradually a smart player can master other variants of card counting as well, like Omega, KO and halves. So here’s wishing you the best of both the worlds with luck and strategy.


Teaching Math to Young Children
My husband Sasha majored in Math at Moscow State University, Russia's equivalent to Harvard. That said, it is no surprise that our children are learning their multiplication tables in kindergarten and are on to pre-algebra by their early elementary years.
How do we do it? Well I think the first important ingredient is a strong desire to teach your children and second consistency. I think, however, that if you are at accomplished at anything that you will be good at teaching your child that. First of all, you love it. Second of all you do it often and they see that.
Math, however is something that can be easily snuck into a daily routine.
Here's some ways we have included it in our day:
- Print off worksheets from the internet...they are usually free and kids love them.
- Buy a math workbook from a education store or even Wal-mart. This will give them a consistent program.
- Draw a maze for them with math problems at some of the bends. My children love doing mazes and were willing to do the math problems in the way of completing the maze.
- Our favorite favorite favorite is "Math problem for a snack"
- We have 5 small children and when one of them asks for a snack in between our normal schedule of meals and snacks...usually when we are pretty busy doing something else...we say,"Sure, you can have a snack...if...you do a math problem for it. The beauty of this technique is that they learn a work ethic and a math problem all at once. Our 6 year old Jenny will often walk into the kitchen and say, "I'll do a math problem for a sandwich." This technique can be applied for just about anything you are working on teaching your children.
- My husband does Daddy math time with our oldest child. Lately they have been going on-line and working on a sample S.A.T. question together. Benjamin is almost 8 right now and he understands a fair amount of higher mathematics.
- We recently bought a toy that we really love. It's called LeapFrog Turbo Twist. Our children love playing with it and it has different levels of problems so every child can play and be challenged. They love this toy so much they even bring it out when friends come over and share it with their cousins when we are visiting family.
Whatever you decide to do to help your children excel in math remember to develop a love for it yourself. Make it a game and have fun with it. Your children will thank you for it and you will feel happy knowing that they are smart.


What is STEM?
STEM is a curriculum based on the idea of educating pupils in four specific disciplines, Science, Technology, Engineering and Mathematics.
What makes STEM unique is its new, realistic methods of teaching, by offering a blended learning environment which shows how the topics they learn in a classroom or academic surrounding can be related to ‘real world’ applications of problem solving.
STEM and Aviation?
Aviation is an industry that is lucky enough to encompass all the STEM topics under one sector.
Teaching through Aviation helps pupils to understand the science, technology and applications of flight. Enabling real world application of the subjects along with gaining a deeper understanding of the physics, weather and engineering needed for flight.


In addition to writing and performance, Keisha also has a passion for education and mathematics. She is a trained mathematics teacher, has worked in the Arts Council’s Children and Young People’s department and was the Senior Learning Programme Manager for The World Reimagined.
Most recently, she was an Artist Researcher at Esplanade Theatre in Singapore, researching mathematical pedagogy.
She is currently developing her creative and pedagogical practice. DeCipher is a project that provides creative alternative opportunities for people of all ages to engage with mathematics – keep your eyes on this page for any updates.
In the meantime, if you have any questions around maths tutoring, feel free to get in touch. Keisha has supported a range of people from primary level children to people studying at university level.
Click here for Apples and Snakes blog


Probability Stacking occurs when you get simultaneous, sequential or ‘still in effect’ high probability patterns based on Smart Patterns Trading system methods. When this happens, you get stacking according to the following basic formula: Given 2 simultaneous signals of 75% historical theoretical probability, you get a theoretical follow through rate of 90%. Given 3, you get 96%. Given 4, you get 99%. These methods have been covered in past webinars and are taught daily in the trading room. These methods are well known and established statistical methods that can help improve your trading. Join us in the trading rooms to learn more (by clicking the Probability Stacking icon below).


Turkish Journal of Mathematics, vol.32, no.2, pp.235-243, 2008 (Scopus)
Article / Article
Turkish Journal of Mathematics
Scopus, TR DİZİN (ULAKBİM)
Ondokuz Mayıs University Affiliated:
Let G be locally compact Abelian group with Haar measure. First is discussed some properties of L1 (G) ∩ L (p, q) (G) spaces. Then is mentioned the multipliers space on L1 (G) ∩ L (p, q) (G) spaces. © TÜBİTAK.


Pi (3.14159265 . . .) is the mathematical term that expresses the circumference of a circle as a ratio of slightly more than three times the diameter of a circle. Diameter recalls the linear nature of time as we experience and perceive it. That the circumference is about three times the diameter, but not exactly—and slightly more, but cannot be determined precisely as it is irrational—that is, never repeats, never terminates—echoes the Trinity: more-than, irrational, real while unending. The diameter to circumference ratio is constant—always true no matter how small or large. A beautiful number. A beautiful relationship. Happy Pi Day!
π 3/14/15 9:26:53


Free fun games for kindergarteners to play online
…Has unique and fun games to help my daughter learn sight words and she has improved greatly in Kindergarten in part because of this app.…She is allowed to play as a treat when she finishes homework and looks forward to playing. The interactive games really make learning fun for her.
Free Online Kindergarten Math Games | Education.com Play our fun-filled online math games for kindergarteners, including games that teach number sense, addition, subtraction, patterns, and shapes. Pre-K & Kindergarten Games, Books & Videos Online | Funbrain Funbrain playground jumpstarts the educational journey for preschoolers and kindergartners through fun, interactive games online. Visit Funbrain today.
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Jigsaw puzzle games for kids are a fun and interactive way to learn about the United States and the world, all while enhancing concentration. Kindergarteners wi Online Games | Turtle Diary Play one of Turtle Diary's large variety of Online games. These games are a great way to teach students about a large variety of subjects.
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Online Kids’ Games. Knowledge Adventure’s online kids’ games are an excellent source of entertainment and learning for kids of all ages.. Over 100 Online Games for Kids. Knowledge Adventure has over one hundred online games for kids of all ages.Parents can find arcade games, racing games, puzzle games, cooking games, shooting games and more to keep their kids occupied. Sesame Street | Play Fun Games for Kids Play free preschool learning games about letters, numbers, STEM and more with all of your favorite Sesame Street friends! Sesame Street | Play Fun Games for Kids Jump to Navigation FREE GAMES FOR KIDS ONLINE - Play Now at Kids.Poki.com! On Poki Kids we’ve selected the best free games for kids online. You can play hundreds of free games for children, such as cooking games for kids, car games for kids, Ben 10 games, Baby Hazel games, and other fun games for kids.
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July 1, 2020
Lambaye Learning Center wins STEAM grant!
The State Department has honored our project the Lambaye Learning Center with a grant to fund a new STEAM program.
. . .
“We are absolutely thrilled to announce that the U.S. Embassy in Dakar has awarded Students for Senegal, the maximum allowable grant award to create a new science, technology, engineering, arts and math (STEAM) program at the Lambaye Learning Center: The Lambaye Innovation Challenge (LIC).
The Lambaye Innovation Challenge is an innovative cross-cultural program aimed at primary and secondary school students designed to increase access to Science, Technology, Engineering, Arts, and Math (STEAM) education in rural Senegal. Through a yearlong expert-guided workshop series, students will have access to STEAM experts and have the freedom to identify a problem they are passionate about and provided the STEAM resources to attempt an innovative solution.
This program will begin in fall 2020 and run for a full academic year. It will increase the long term capacity of the Lambaye Learning Center to provide educational resources in rural Senegal, as well as serving as a meaningful and impactful educational program for the more than 200 students who will be taking part in it.”


Strategies and Odds at Roulette
Knowing the different combinations roulette and know how to calculate the odds is the only way to win at roulette. Take a look here.
Each round of the game is unknown and the outcome is never determined by the previous round. After eight consecutive blacks in fact, a black man has the same chance to get out of the red.
It can be argued that even for a long period of time is the red black have the same chance of winning.In fact, they are both winners. First of all we have to reason, because each round of the game has the same chances of winning.
Although the results may vary in the course of the game, we might see out the number “laggard” and quickly doubled our bets, the famous Martingale system, used by most novice players. In order to simplify the calculations, we can arrogate that the roulette wheel has no zeros, but only 18 reds and 18 blacks.
For example, on 1 million revolutions of the roulette in theory you could have 500,000 red and 500,000 blacks.
now, we know that they do not come in turn one at a time, one would expect to see two, three, four or more consecutive of one of the two colors.
According to this analysis we consider 8 consecutive blacks as in the example.
If you were to count all the cases in which should go out eight blacks in a row, followed by a red, we also find, too, the same sequence of eight blacks in a row, followed by one black (9 blacks in a row).
You can also find the same number of consecutive red, making it equal to the total of reds and blacks. If you have a simulator roulette on our main computer, try it.
This means that 8 consecutive blacks, have the same ability to output 8 consectutivi red, with the percentage stops at 50%.
Therefore, if you bet on red, after blacks in a row, or if scommetiamo after 8 consecutive red on black, we would have the same winning percentage (50%). So, no matter how many times in a row bait black or red, because for every probability, for example, 8, 10 or 20 blacks in a row, followed by a red, there will be the same possibility of 8, 10 or 20 blacks of row followed by a black man.
You do not know just which of the two sequences will be released first. These are likely to take in the roulette.
After eight blacks in a row, the chances of winning are still at 50 and 50 if you bet on red or black.
With the number “latecomer” doubles your chances of winning:
It is a known fact that many players are waiting four blacks in a row before playing and then start pointing to double your winnings on red up to four times (or more) if they are at a loss.
In doing so, the players believe they have an advantage over the other on the odds of 4 blacks without betting. In fact, if you use this strategy, there are many possibilities to conclude advantage over the other.
We might be wrong, but let’s look at these numbers:
Starting from a bet, if you double your bet up to four times on red and win, you would win a bark (a token). If you lose pointing up to the fourth episode, you may lose up to 15 chips (1 +2 +4 +8 = 15).All this makes us understand that in 16 attempts lost, you will lose all 15 previous wins.
Now, try the same strategy to double, but now betting on red and black. That is, we do not know what came out earlier, we aim at will on both the red on black and on different tables (all folders).
We know that if we lost we can double our bet, up to 4 times. For a long time we could get the same results as the same color or a table and begin to raise our bet.
The fact is that it is the probability of release of a color, but you can lose up to 4 times in a row on a bet given to 50 and 50%, ie 1/2 x 1/2 x 1/2 x 1 / 2 = 1/16. On average you will win 15 times in a row and lose once every 16 attempts. The ultile net is 0.
The Martingale system is in fact based on the probability of losing infinite times in a row.
Although in theory it is infallible, the Martingale system works positively if the player has a bankroll almost unlimited (for example the Casino in Monte Carlo, Monaco, the red can go up to 39 times in a row), and if the casino does not limit the maximum value of the single bet.
If you run out of money or reached the limit of the house (the casino), you can lose a lot, with no possibility of recovery.


Christmas Printables Printable Christmas coloring pages, math worksheets, writing prompts, word searches, crosswords, activities, and more. Make school supply list shopping easy! Christmas Printables We hope you enjoy this huge (and ever growing) collection of Christmas printables - including free printable Christmas cards, gift tags, writing paper, games, bookmarks, printables for the classroom, printable Christmas crafts and more! There's also some fun Christmas themed math activities that kids of any age would love.
The Christmas worksheets here have kids practice math skills such as counting, pattern recognition, addition, subtraction, multiplication, division, decimals, fractions, geometry, and. Christmas Worksheets& Printables Our Christmas worksheets bring merriment and cheer to the holiday season by helping kids stretch their academic skills in a festive way. Have a Merry Christmas with our Christmas worksheets and printables!
Christmas is such a fun time of the year. Kids Fun christmas worksheets printables go crazy with these cute graphics and fun printable activities. Aimed at children ages 3 through 8, this fun Free Printable Christmas Worksheets and Printables Pack includes math and literacy activities as well as a few fun Christmas printable games.
Have Fun Teaching has lots of free Christmas Worksheets for teachers! These Christmas worksheets are perfect for the classroom or at home. Use each Christmas worksheet for a fun and meaningful holiday with your kids! Christmas Printables and Christmas Worksheets Vocabulary Reinforcement - Word Jumbles, Word Search Puzzles and Alphabetical Order Practice Home > Holidays > Christmas > Printables and Worksheets.
Below you will find printable worksheets, interactive printable manipulatives and interactive printable coloring pages associated. These 357 printable worksheets can help you engage students in English learning activities while still allowing them to concentrate on the holiday and all the excitement surrounding it. This is one of the most popular and most highly rated worksheets in Fun christmas worksheets printables section. It is actually an entire booklet of Christmas activities for beginners including.
Welcome to the Jolly Set of Fun Christmas Music Theory Worksheets for Kids. For quick free printing, click on an image below.
Teachers and parents are welcome to print as many worksheets as you like. To get Christmas based worksheets at 2nd Grade Christmas Math Worksheets 3rd Grade: Now in 3rd grade parents should show them use of math operations in real life. In addition and multiplication while calculating bills at the grocery store, subtraction and concept of money while making payments. This page has a printable spelling list for first grade students.
Words include: snow, sled, elf, card, tree, and Santa. There are also alphabetical order worksheets, spelling puzzles, and a spelling test form. Christmas Spelling Unit (Grade 2) Here's the Christmas spelling unit for second grade.
Check out our collection of printable Christmas worksheets for Kids. These Christmas worksheets are perfect for teaching kids in the classroom or homeschooling. Younger children will love the counting practice and word to picture matching worksheets, while slightly older kids will enjoy the missing letter and word scramble worksheets.
These Christmas Printable Worksheets are great for any classroom. Engage your students with these Christmas Printable Worksheets. Members receive unlimited access to 49, 000+ cross-curricular educational resources, including interactive activities, clipart, and abctools custom worksheet generators. These free Christmas math worksheets teach students all the normal math problems but make it extra fun by making them Christmas themed.
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Your students will enjoy a variety of worksheets and coloring pages found in this Christmas Theme Pack of holiday printables focusing on letters, numbers, and colors. Christmas worksheets and printables bring merriment and cheer to learning this holiday season. Practice skills like math, reading, and more.
Aug 28, 2018. Christmas worksheets are a great way to add some fun to a rather boring looking worksheet. They will have the kids jumping at the chance to. Christmas Printable Worksheets. These Christmas worksheets are more fun than work. I especially love using word puzzles like word searches and crosswords. We've made it easy for you.
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Math and reading scores for 9-year-olds in the US fell between 2020 and 2022 by a level not seen in decades, a foreboding sign of the state of American education two years after the Covid-19 pandemic began.
The results were part of the National Assessment of Educational Progress long-term trend reading and math exams, often called the “Nation’s Report Card,” conducted by the National Center for Education Statistics. The exams were administered to age-9 students in early 2020 before the pandemic and then again in early 2022, the group said.
The average scores in 2022 declined 5 points in reading and 7 points in math compared to 2020 – the most significant decline in reading since 1990 and the first ever decline in math, the organization said.
US Secretary of Education Miguel Cardona said the drop was due to remote learning versus in the classroom. “In-person learning is where we need to focus. We need to double down our efforts. I’m very concerned about those scores, and I know that we have the resources now, and we need to maintain the same level of urgency we had two years ago to get our students back into making sure that our students get support.”
It was also reported that states with more stringent lockdowns had the most severe underperformance in testing. With places that pushed ‘at home learning’ the longest seeing the most significant declines.
For more on this story, please consider these sources:
- Student test scores plummeted in math and reading after the pandemic, new assessment finds CNN
- The Pandemic Erased Two Decades of Progress in Math and Reading The New York Times
- Students’ math, reading scores during COVID-19 pandemic saw steepest decline in decades: Education Department Fox News
- Reading and Math Scores Plummeted During Pandemic, New Data Show The Wall Street Journal
- Reading, math scores fell sharply during pandemic, data show CTPost


I am an Associate Professor of Biostatistics in the Department of Population Health, NYU School of Medicine. I joined NYU after a PhD in statistics at Carnegie Mellon University and postdoctoral research fellowship at Harvard Medical School. My research interests lie in developing and implementing statistical and machine learning tools to solve problems motivated by real-world applications in medicine, global health and education.
My methodological work has focused on statistical social network analysis, penalized regression for longitudinal data, and Bayesian causal inference. I am also passionate about developing ML infrastructures in low- and middle-income countries.
I am currently an mPI on a NIH funded study (1R01HL155149-01) to develop generalizable and fair prediction algorithm for predicting medication non-adherence. I am also a recent winner of the Johnson & Johnson Women in STEM Scholar award in math, for which I am exploring agent-based models in the context of complex real-world interventions. I was a PI of a pilot study that utilized machine learning to study predictors of mental health issues among Asian American Children using a large nationally representative survey data (supported by Center for the Study of Asian American Health, 5U54MD000538-17).
See my Complete list of publications .
Full CV is here..
I can be reached at Samrachana.Adhikari AT nyumc.org
Open post-doctoral position in my research group. Please consider applying.