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Oscilloscopes are primarily set up to measure the voltage of an electrical signal, which is then graphically represented by waveforms. However, scopes can be used to take measurements for a number of different applications – one of which is frequency. But how does an oscilloscope measure frequency, exactly? Well, there’s a straightforward answer, and then there’s a slightly more complicated answer.
On most, if not all, modern digital oscilloscopes the calculation is done for you, so you’ll be able to get a frequency reading whilst you’re measuring voltage. Simply press a couple of buttons to see the frequency of the signal you’re trying to inspect, as well as other statistics such as standard deviation and the mean frequency. However, there are ways to work out the frequency without the aid of technology.
How to Calculate Frequency
You can measure time and frequency quite easily using the horizontal scale on your oscilloscope. If you want to ensure accuracy when taking a frequency measurement, it helps to increase the signal area on your oscilloscope display – making it bigger so you can more easily translate the waveform.
Firstly, you need to measure the time using the horizontal scale on your oscilloscope, as well as counting the number of horizontal divisions from one end of the wave to the other where it crosses the Centre Horizontal Graticule Line. Then you can multiply the number of horizontal divisions by the time/division to find the signal’s period. Once you have this, you can perform the frequency calculation: one divided by the period. Mathematically this can be represented as frequency=1/period.
Automatic Measurements on a Digital Scope
As previously mentioned, most high-quality digital oscilloscopes will take measurements automatically, meaning that you don’t have to do the calculations. On Tektronix oscilloscopes, you can find the time measurements under the ‘measurements’ badge on the display. This will give you an accurate, live reading of the frequency, which will change depending on the signal being transmitted.
You can also access all statistic data. This way you can see the standard deviation, mean, maximum, and minimum of the frequency, providing a better idea of how the signal is reacting.


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What do I need to complete to obtain a high school diploma?
All students need to complete 220 credits:
1 year = 10 credits
3 units at Community College = 10 High School Credits (1 Credit =3.3 high school credits)
40 Credits of English
20 credits of Math (Must include Algebra 1 and Geometry or Practical Geometry.
30 Credits of Science (Must include 1 Life AND 1 Physical)
30 Credits of History (World History, US History, Government and Economics)
20 Credits of PE or ROTC (4 years of Band can meet this requirement)
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The beginning of the Third Quarter
We begin the third quarter with a new book. Ninety Five percent of my old books were collected last week and are checked in. I have a few more to collect and a few more new books to pass out. We are now in the second book. We will be working with ratios and rates. The work will be in comparisons of differing objects through amounts and the use of ratios to do that. This is less abstract than the algebra we worked on last quarter and more easily seen as connected to real life in the form of rates like miles per gallon or dollars per ounce, etc.
Our first test will be the 12th of February. With some quizzes in between.
Remember that all home work, projects, classwork, etc will not be accepted after the end of the quarter but that any test or quiz can be retaken for a better score and if it improves the grade impacting a previous quarter grade a new report card will be issued for that quarter.
Test count 50% of the quarter grade, quizzes 20% and Homework 20%. Projects and class work 5% each. For a total of 100% for each quarter. So you can see that a test redone by someone who now understands the concepts better could be a good thing to do. On the flip side; it is disheartening for a person who takes the test cold, with out study, on the hope of doing better.
A look ahead sees parent teacher conferences March 4th and 5th. If you wish to meet with any teacher or teacher team before then just give your child's advisor a call and a meeting will be set.
All the best,
Math Blog 1-7-2020
Happy New Year!
We are back and back running. We will do a refresher on equations for a couple of days and then get into adding and subtracting terms across the equal sign and solving complex equations. Friday and Monday, we will be taking the Aspire Test. This is our mid-year benchmark.
On the 17th of January we will turn in our books and on the 21st of January will get new books and begin working with measurement and proportions. This will get us into interesting problems to solve regarding measurement of objects like the height of flag poles, houses, etc.
Remember, the week of the 20th of January we have Monday the 20th (Martin Luther King Day) off and Friday the 24th off.
Thursday the 23rd is the last day of the quarter and has a NOON RELEASE.
Thanks for reading this…
Christmas is just about here.
In the Math Realm we have two more homework assignments before the break (We had page 132 problems 1-15 over the weekend and then adding problems 16 – 26 for tonight and then the coordinate plane project) and then we have a test on Wednesday over solving problems and showing the math algebraically.
Our test, on Wednesday, will consist of one and two step equations, using the distributive property and then combining like terms to solve equations. We will solve problems like the one below:
5 ( 3 + x ) + - 2 ( 6 + x ) = 9
On Thursday the coordinate plane is due (we have had a week and 2 days on it). And on Friday we review some math concepts.
Just a reminder; the quarter ends January 23rd. That is only 2 full weeks and 3 days after the Holidays.
I wish you all a Merry Christmas and a safe and Happy New Years.
6 December 2019 Math Blog
I am in the middle of helping kids fix there Block 3 test scores. I have provided students with a chance to come in and work on the types of problems the test on Block three was about. I also provided a pass so they could come in at Lunch. If f your child was at 21.5/ 43 on the test they got a pass inviting them.
On Tuesday of this week, 1st period students came in and improved their test score by doing more practices and asking questions. We had fun and if you look online you will see an improved grade, both for the test, and consequently for the quarter.
On Wednesday, 2nd Period students came in to improve their test score. We had fun and if you look online you will see an improved grade, both for the test, and consequently for the quarter
Today, Thursday, 3rd period students were invited. Unfortunately, none came in to improve their test score. If you look online, you will not see a change in their scores.
On Friday 7th period students are invited and the students with a 21.5 out of 43 will receive a pass today in class to come in at lunch tomorrow.
In class, we are deep into Algebra and solving 2 step equations. We will test on this and more on the 18th of December.
I hope the season of Christmas is pleasant for you and that you and your children have a good break.
I want to wish you all a very merry Christmas.
Beginning Algebra in Recovery Math
We are beginning to work on Algebra and will do so throughout December. Yesterday, we worked on one-step equations and will do so today also. We will not have homework tonight. I want to make sure of their being able to do this before I send homework home.
Monday there may be some homework. Tuesday there will be no homework.
Have a joyful Thanksgiving!
Block 3 test/ and Beginning Algebra
I am in the process of attempting to have kids to come in and take or finish their tests for Block 3. We are moving into equations and so they need class time in class. The retake needs to be at advisor or lunch. Some have but others are avoiding. The scores on the re- take were better generally but not great overall even with the extra-practice. For the most part, the people who did the practice on time (not getting it in late) did much better on the retake. Just like you would expect. Others either were late in getting it done or did not do the work so the follow-up lesson on the given topic was not helpful to them and come re-take test time they did not do well.
I will get the modified scores in this weekend. Any untaken retake or not done retake will go in as a zero until it is completed.
We are moving into equations and solving for variables. Now and until Christmas we will be knee deep in algebra.
I will keep you up to date on the progress and please check PowerSchool to see if your child has a test to finish or take (due to absence) and please encourage them to keep up on the assignments.
Today there is no homework and Monday there will be. Tuesday there will be no homework.
Have a joyful Thanksgiving!
Blog Nov 4 thru 15th
Hi again. We are finishing Block 3: Rational number operations. Kids have studied for the test, which is today, and they have Notes due also.
Next week is parent teacher conferences so if you do not have a time already set up call your child’s advisor and set one up.
We will work on estimation next week with only a couple of lessons and a small test and then begin a big block on Equations. This is the meat of the 7th grade and will last until Christmas. This requires a lot of practice so I will be sending kids home with equations to solve (not too many at a time.)
We are also doing a canned food drive and it will be important that we all participate to help food share stock the larders for the holidays. My advisor has 200 items already and we are hoping to get 1000 items. That would be about 40 items (cans, packets) per student more. Send your child to school with some for their advisor too. We have been blessed in our lifetime; let’s pass it on.
Blog for October 21st – 25th
Welcome back after 4 days of hunting, playing and relaxing.
I have added grades for the Test we took on Wednesday. Also, I added grades for the 5 Khan academy assignments related to integers. They can improve their grade by doing the practice. Sometimes kids must see the low score before they feel an urgency. They can also do more practice and retake the test if their score is lower than they want it to be.
After much instruction on notes for both the first block and the second block I have added the grades in and marked the missing work. We have notes every block so there is lots of practice on note taking. These too can be improved upon for a better score. The homework, notes and Khan academy assignments are all able to be redone or completed before the last day of the quarter, Friday, November 1st.
We have two weeks before the quarter ends.
We will be doing order of operations this week and then a test. This will be followed by Rational Number operations including positive and negative numbers. Following that, we will get into Equations and this will take us past Thanksgiving and up to Christmas.
Lot’s to do.
Blog for the week of the 14 through 16 of October
We have a three-day week next week ending in a test on Wednesday. I have set up some good practice on my google classroom for kids to do. They can access this practice well now after entering the online classroom many times in class. They should do the practice to 80% or better at least. They can just do the work again and again (the problems are dynamic) to get better and better at it to help prepare for the test on Wednesday the 16th. Each skill we worked on in class is represented in the integers section of the classwork. Kids who do not have an account because they have not received permission CAN still access the problems it just will not save their progress for them.
Thanks to the many of you who had their child bring in a permission form for them to join Khan Academy. Now when they do practice, they can login and it will save any progress they make, and they will be able to see how much they are learning.
I will begin adding in online work into the grade book this week and it will become part of the grade. The kids will have an “Online work grade” each week. I will keep this very doable during the week before the grade goes in so that if they use advisor or time in class, they can easily get through it. As with all assignments they can turn it in late before the end of the quarter and get full credit. Of course, it is better if it is done before the test.
Have a good couple of days next week for family time (maybe Hunting?). I will be in Belgrade attending classes and I hope catching a movie Thursday night. 😊
As always please email me with any questions.
All of my blogs are available online at dellwomath7. You can also just type the word dellwomath7 in a search bar.
Doug Dellwo; Math 7 Teacher


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I have more than 15 years teaching primary school subjects like English, Mathematics and Science. I also teach Principle of Accounts.
My last year (2012) batch of primary 6 students did well. One of them was from Raffles Primary. She scored an A star for Mathematics. She was my student from primary 4. She came to me after primary 3 year end exam with a score of 70 for Mathematics. After one year tutoring, she scored the highest in her class with 98 marks. Other students also did well.
I am very committed to my students. I make sure that they do their homework and I mark every single questions. I teach more than the required time given. I am willing to teach the student until she/he complete primary 6.
I am very happy to share that my students did very well for 2014. One of my primary 4 student from Haig Girls scored 93 for Maths and 91 for Science. I have been tutoring her since she was primary 3. When she joined me in primary 3, her marksfor Mathematics was75. Another Primary 5 student from Casuarina Primary, scored 75 for Maths. He was the highest in his class. Last year when he joined me, his Mathematics marks was 54. His mother says he never scored more than 55. Parents, if you want your children to do well in Maths come to me. I can make it happen for them. If i accept a student, I am committed until they complete PSLE.Thank you.
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blooket - math puzzle games gameplay
Introduction to Blooket and its popularity
Welcome to the world of Blooket, where learning math becomes an exciting adventure! If you’re tired of the same old textbook exercises and repetitive drills, then get ready to level up your math skills with this popular educational game. Blooket has taken classrooms by storm, captivating students with its interactive puzzles and challenging gameplay. Whether you’re a teacher looking for a fun way to engage your students or a parent seeking an innovative approach to homeschooling, Blooket is here to revolutionize how we learn math. So buckle up and let’s dive into the thrilling world of Blooket’s math puzzle games!
Description of Blooket’s math puzzle games
Blooket offers a wide range of math puzzle games that are designed to make learning fun and interactive. These games not only help students sharpen their math skills but also keep them engaged and motivated throughout the learning process.
One popular math puzzle game on Blooket is “Math Madness.” In this game, players have to solve a series of math problems within a given time limit. The questions cover various topics such as addition, subtraction, multiplication, division, fractions, and more. It’s a fast-paced game that challenges students to think quickly and accurately.
Another exciting math puzzle game on Blooket is “Number Ninja.” In this game, players have to slice through numbers floating across the screen by selecting the correct answers to different math equations. It’s an excellent way for students to practice their mental calculation skills while having fun at the same time.
“Blast Off” is another popular math puzzle game on Blooket where players have to solve equations correctly in order for their rocket ship to take off into space. This game helps students improve their problem-solving abilities while reinforcing essential mathematical concepts.
Blooket’s math puzzle games provide an engaging platform for students to enhance their numeracy skills in a stimulating environment. By incorporating these games into classroom activities or homeschooling curricula, educators can effectively foster enthusiasm for mathematics among learners of all ages. So why not give it a try and see how these interactive puzzles can transform your approach towards teaching mathematics?
How Blooket makes learning math fun and engaging
Blooket, the popular online learning platform, has revolutionized the way students engage with math. With its interactive and engaging math puzzle games, Blooket transforms what could be a boring subject into an exciting adventure.
One of the reasons why Blooket is so effective in making learning math fun is its gamification elements. Students can compete against their classmates or other players from around the world in real-time, adding a competitive edge that keeps them motivated and engaged. The thrill of trying to beat their own high scores or climb up the leaderboards makes practicing math skills feel like playing a game rather than studying.
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The immersive nature of Blooket’s math games also plays a significant role in making learning enjoyable. Through vibrant graphics and captivating audio effects, students are transported into a virtual world where they become active participants in their own education journey.
Furthermore, Blooket incorporates elements of choice and customization into its gameplay. Students can choose which topics they want to focus on or select difficulty levels based on their individual needs. This personalized approach empowers students by allowing them to take ownership of their learning experience.
In addition to being fun and engaging, using Blooket for math practice comes with numerous benefits for students’ overall academic development. Regular use of these interactive puzzles helps improve problem-solving skills, enhances logical reasoning abilities, builds computational fluency, and boosts confidence in tackling complex mathematical concepts.
Whether used as part of classroom instruction or as supplemental material for homeschooling curriculums, incorporating Blooket’s math puzzle games provides dynamic opportunities for students to reinforce essential mathematical skills while having fun along the way.
By combining technology with educational content seamlessly, Blooket has created an innovative and effective way to make learning math enjoyable for
The benefits of using Blooket for students’ math skills
Blooket is not just your average math learning tool. It’s an exciting and interactive platform that offers a multitude of benefits for students looking to enhance their math skills. One of the key advantages of using Blooket is its ability to make learning fun and engaging.
With Blooket, students can immerse themselves in thrilling math puzzle games that challenge their problem-solving abilities while also reinforcing important mathematical concepts. The games are designed to be visually appealing and captivating, keeping students hooked and eager to continue playing.
By incorporating gamification elements into the learning process, Blooket motivates students to actively participate and strive for improvement. This approach helps foster a positive attitude towards math, turning it from a daunting subject into an enjoyable experience.
Another benefit of using Blooket is the opportunity for personalized learning. The platform allows teachers to customize game settings according to each student’s skill level or specific areas they need extra practice in. This individualized approach ensures that every student receives targeted support and can work at their own pace.
Moreover, Blooket encourages collaboration among peers through its multiplayer feature. Students can compete against each other or work together as teams, promoting teamwork and cooperative learning.
Additionally, Blooket provides instant feedback on performance, allowing students to identify their strengths and weaknesses in real-time. This feedback enables them to focus on areas that require improvement while boosting their confidence with immediate recognition of correct answers.
Incorporating educational games like Blooket into classroom or homeschool curricula has been shown to increase student engagement levels significantly. By making math enjoyable and interactive, Blooket helps create a positive association with the subject matter while enhancing critical thinking skills, problem-solving abilities, and mathematical fluency.
As educators continue searching for innovative ways to make learning more effective and enjoyable for their students, platforms like Blooket prove invaluable tools in achieving these goals
Tips on how to excel at Blooket’s math puzzles
1. Practice Makes Perfect: The more you play Blooket’s math puzzles, the better you will become. Take advantage of the various game modes and keep challenging yourself. Repetition is key to mastering any skill.
2. Brush up on Your Math Skills: Before diving into Blooket’s math puzzles, make sure you have a solid understanding of the mathematical concepts being tested. Review your textbooks or use online resources to refresh your knowledge.
3. Focus on Speed and Accuracy: Blooket’s math games often require quick thinking and rapid calculations. Work on improving both your speed and accuracy so that you can solve problems efficiently within the given time limit.
4. Develop Problem-Solving Strategies: Look for patterns or shortcuts in the questions asked during Blooket’s math puzzles. Developing problem-solving strategies will help you approach different types of problems with confidence.
5. Collaborate with Peers: Engage in friendly competition by playing Blooket’s math games with classmates or friends. Sharing tips and strategies can enhance everyone’s learning experience while making it even more enjoyable.
Remember, excelling at Blooket’s math puzzles requires persistence, practice, and a positive mindset! So go ahead, embrace the challenge, sharpen those math skills, and enjoy the thrill of solving puzzles while having fun!
Alternative educational game options for math practice
Looking to spice up your math practice routine? While Blooket is a fantastic choice, there are also other great educational game options available that can help you sharpen your math skills in a fun and engaging way.
One popular option is Prodigy. This online game combines role-playing elements with math questions, allowing students to navigate through a virtual world while solving math problems. With its interactive gameplay and rewards system, Prodigy keeps students motivated as they work on their mathematical abilities.
Another excellent choice is Kahoot! Known for its lively quiz-style format, Kahoot! offers a wide range of math-related games that challenge players to answer questions quickly and accurately. The competitive nature of the game adds an extra level of excitement and encourages healthy competition among classmates or friends.
For those who prefer visual learning, Math Playground provides a vast collection of interactive math games that cover various concepts. From fractions to geometry, these games offer hands-on practice in a visually appealing format.
If you’re looking for something more immersive, Minecraft Education Edition incorporates mathematics into building activities within the popular block-building game. Students can explore mathematical concepts like measurement, geometry, and even coding while constructing their virtual worlds.
So why limit yourself to just one option when it comes to educational gaming? Try out different platforms like Prodigy, Kahoot!, Math Playground or Minecraft Education Edition to find the ones that resonate best with your learning style and preferences!
Remember – gamifying your math practice not only makes it more enjoyable but also helps strengthen your understanding and retention of key concepts. So go ahead and explore these alternative educational game options for some exciting new ways to improve your math skills!
Conclusion: Why Blooket is a great addition to any classroom or homeschool curriculum
Blooket has emerged as a popular and effective tool for making learning math fun and engaging. With its collection of math puzzle games, Blooket provides students with an interactive and entertaining way to practice their math skills. By incorporating game elements into the learning process, Blooket ensures that students remain motivated and enthusiastic about mastering mathematical concepts.
One of the key benefits of using Blooket for math practice is its ability to cater to different learning styles. The variety of puzzles available on the platform allows students to approach mathematical problems from various angles, fostering deeper understanding and critical thinking. Whether it’s solving equations, identifying patterns, or applying formulas, Blooket offers a range of challenges that can be customized based on individual needs.
Moreover, Blooket encourages healthy competition among students through its multiplayer feature. This not only adds excitement to the learning experience but also promotes collaboration and peer-to-peer interaction. Students can challenge their classmates in real-time battles or team up for cooperative play, enhancing their problem-solving skills while having fun.
Another advantage of using Blooket is its user-friendly interface and intuitive gameplay. The platform’s simple design makes it easy for both teachers and students to navigate through the games effortlessly. Additionally, teachers have access to valuable data analytics that allow them to monitor student progress and identify areas where additional support may be needed.
For those looking for alternative educational game options for math practice, there are several other platforms available such as Prodigy Math Game or Khan Academy’s interactive lessons. These tools offer unique features tailored towards different age groups or specific topics within mathematics.


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Fractional differential equations books pdf - Suzuki 230 atv manual
To instructors considering our books for. Purchase Fractional Differential Equations, Volume 198. Fractional differential equations books pdf. Here is an unordered list of online mathematics books textbooks, lecture notes, monographs other mathematics related documents freely available on the web. Kilbas ( others) published: Theory applications Of Fractinal Differential Equations. Com, Elsevier’ s leading platform of peer- reviewed scholarly literature.
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Taylor & Francis Books. It isn' t if you are willing to read study many books videos. Included in Journal Citation Report. Check our section of free e- books and guides on Graph Theory now! This paper presents a review of definitions of fractional order derivatives integrals that appear in mathematics, physics engineering. Fractional Differential Equation of a. And fractional partial differential equations. Instructions for Authors. Print Book & E- Book. Numerical Methods for Fractional Calculus presents numerical. The articles published are.
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This invaluable book is devoted to a rapidly developing area on the research of the qualitative theory of fractional differential equations. Applied Mathematics Computation addresses work at the interface between applied mathematics, numerical computation applications of systems. Fractional differential equations books pdf.
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Nonlinear Partial Differential Equations, in honor of Juan Luis Vázquez for his 70th birthday. Your benefits of publishing with us. Featured Articles: Best of Free- to- read: Log in to your existing account or register for a free account to enjoy this. Do you think that is impossible? Also available for mobile reader. This page contains list of freely available E- books Online Textbooks Tutorials in Graph Theory.
Stochastic evolutionary differential games toward a. Purchase Theory Applications of Fractional Differential Equations Volume 204 - 1st Edition. Would you like to know everything about mathematics? ChemicalReaction Engineering Third Edition Octave Levenspiel Department of Chemical Engineering Oregon State Uni. Online books on: Free Mathematics Books for Download and Ebooks Online Textbooks tutorials downloadable e- books downloads zip chm rar. Calculus ( from Latin calculus literally ' small pebble', as on an abacus), calculations, used for counting , in the same way that geometry is the study of shape , is the mathematical study of continuous change algebra is the study of generalizations of arithmetic operations. The Journal of Differential Equations is concerned with the theory and the application of differential equations. Then you can start reading Kindle books on your smartphone tablet computer - no Kindle device required. ( EPub PDF Mobi.
In physics, fractional quantum mechanics is a generalization of standard quantum mechanics, which naturally comes out when the Brownian- like quantum paths substitute with the Lévy- like ones in the Feynman path integral. Fractional Differential Equations: An Introduction to Fractional Derivatives, Fractional Differential Equations, to Methods of Their Solution and Some of Their Applications. Type or paste a DOI name into the text box. Your browser will take you to a Web page ( URL) associated with that DOI name.
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From Dave McGlasson, does anyone have a reference on why a geometric mean is used in the INR calculation? Since we are using 20–30 normal subjects to calculate the mean PT
Feb 19, 2018 12:38am
Feb 15, 2018 8:49am
Feb 1, 2018 6:43pm
Here are the results of our January, 2018 Quick Question, How do you establish a coag factor reference interval?


To give you a feel for how SOSs can be useful, here’s
an example of an SOS Type 1 used to choose the size of a warehouse.
Assume for this example that a warehouse of 10000, 20000, 40000, or
50000 square feet can be built. Define binary variables for the four
sizes, say, x1, x2, x4, and x5. Connect these variables by a constraint
defining another variable to denote available square feet, like this:
z - 10000x1 - 20000x2 - 40000x4 - 50000x5 = 0.
Those four variables are members of a special ordered
set. Only one size can be chosen for the warehouse; that is, at most
one of the x variables can be nonzero in the solution. And, there
is an order relationship among the x variables (namely, the sizes)
that can be used as weights. Then the weights of the set members are
10000, 20000, 40000, and 50000.
Assume furthermore that there is a known fractional (that
is, noninteger) solution of x1 = 0.1, x5 = 0.9.
These values indicate that other parts of the model have imposed the
requirement of 46000 square feet since 0.1*10000 + 0.9*50000 = 46000.
In SOS parlance, the weighted average of the set is (0.1*10000 + 0.9*50000)/(0.1 + 0.9) = 46000.
Split the set before the variable with weight exceeding
the weighted average. In this case, split the set like this: x1, x2,
and x4 will be in one subset; x5 in the other.
Now branch. One branch restricts x1, x2, x4 to 0 (zero).
This branch results in x5 being set to 1 (one).
The other branch, where x5 is set to 0 (zero),
results in an infeasible solution, so it is removed from further consideration.
If a warehouse must be built, then the additional constraint
is needed that x1 + x2 + x4 + x5 = 1.
The implicit constraint for an SOS Type 1 is less than or equal
to one. The continuous relaxation may more closely resemble the MIP
if that constraint is added.


Calories - You Do The Math
Recently, I read an interesting fact about calories from a personal trainer. I don't know how true this is, but apparently if you can figure out how many calories you are supposed to be eating a day (let's say 1,600 per day). You would take this number and divide it by the number of hours you are awake during the day (let's say 16 hours). This would mean that you could consume 100 calories per hour for every hour you are awake. Of course, this is not practical, but you get the picture. Just divide your day into the number of sections you want to eat (ideally six small meals) and figure out how many calories each meal should be. I'm not sure if this actually works, but it's worth a try for those who are trying to lose weight.


We are glad to announce new VIP Club plans are available to invest now.
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VIP Club plans will be invested in the Casino betting (Baccarat). All decisions are made automatically based on Artificial Intelligence technologies (A.I) and Quantum computing mathematical models. Averagely we have 70% winning rate! Which mean every 10 bets, we will win 7 bets and lose 3 bets and plus minus, we still win 4 bets! That’s around 350% minus fees.


Next time you use Quandl, click the “Statwing” button to statistically analyze a Quandl dataset.
Let’s say you were looking at this Quandl dataset of bitcoin prices over time.
In two clicks you can get a nice histogram and descriptive statistics for a column of values, like Bitcoin trade volumes:
Or click two more times and find out if a trend is statistically significant:
Or create a new variable in a few seconds, like transforming dates to days (for example, “9/29/2014” to “Monday”):
Or bucketing the days of the week into “Weekday” and “Weekend”, then seeing how they differ:
There’s a lot more to explore, but we’ll leave that to you. Enjoy!


Statistical analysis of single-copy assays when some observations are zero
AbstractObservational and interventional studies for HIV cure research often use single-copy assays to quantify rare entities in blood or tissue samples. Statistical analysis of such measurements presents challenges due to tissue sampling variability and frequent findings of 0 copies in the sample analysed. We examined four approaches to analysing such studies, reflecting different ways of handling observations of 0 copies: (A) replace observations of 0 copies with 1 copy; (B) add 1 to all observed numbers of copies; (C) treat observations of 0 copies as left-censored at 1 copy; and (D) leave the data unaltered and apply a method for count data, negative binomial regression.
HIV cure research


Tutorial Tuesday is going to be a (hopefully) weekly thing where I write a tutorial. On Tuesday.
All drawings were made in Microsoft Paint and are crappy.
This week is how to rotate one vector around another, one of the first problems I solved when working on 3D graphics and physics. I'm sure there's plenty of information out there on how to do this by some nerd using matrices, but I'm going to explain my process for solving it just using vectors.
First let's start with 2D, so we want to rotate the black vector a certain amount (rotation angle), to the orange vector.
Instead we'll use the tangent method. First we calculate the tangent (the green vector) of the black vector, which is simple in 2D the tangent X is negative Y, and tangent Y is X.
Now that we have the original vector and its tangent, calculating the new vector is pretty simple. It's the original vector times the cosine of the rotation angle plus the tangent vector times the sine.
Onto 3D, we have a black vector that we want to rotate around the blue vector, which is pointing straight up because that was the easiest to draw, but could be pointing any direction.
That's it for this week, if you liked or didn't like this tutorial consider supporting me by buying my album of games and leaving a giant developer tip. Tune in next week when I might write another of these things about something.


By Alain Guichardet
Read or Download Symmetric Hilbert spaces and related topics; infinitely divisible positive definite functions, continuous products and tensor products, Gaussian and Poissonian stochastic processes PDF
Similar mathematical analysis books
The target of the assembly was once to have jointly major experts within the box of Holomorphic Dynamical platforms with the intention to current their present reseach within the box. The scope was once to hide new release idea of holomorphic mappings (i. e. rational maps), holomorphic differential equations and foliations.
Il testo intende essere di supporto advert un primo insegnamento di Analisi Matematica secondo i principi dei nuovi Ordinamenti Didattici. ? in particolare pensato in step with Ingegneria, Informatica, Fisica. Il testo presenta tre diversi livelli di lettura. Un livello essenziale permette allo studente di cogliere i concetti indispensabili della materia e di familiarizzarsi con le relative tecniche di calcolo.
A singular computational approach referred to as the scaled boundary finite-element procedure is defined which mixes some great benefits of the finite-element and boundary-element tools : Of the finite-element strategy that no basic answer is needed and hence increasing the scope of software, for example to anisotropic fabric with no a rise in complexity and that singular integrals are shunned and that symmetry of the consequences is instantly chuffed.
Extra resources for Symmetric Hilbert spaces and related topics; infinitely divisible positive definite functions, continuous products and tensor products, Gaussian and Poissonian stochastic processes
4 are still satisﬁed for this set. 5. But it is diﬃcult to quantify what we mean by “can be obtained from” without already using the natural numbers, which we are trying to deﬁne. 5 (Principle of mathematical induction). Let P (n) be any property pertaining to a natural number n. Suppose that P (0) is true, and suppose that whenever P (n) is true, P (n++) is also true. Then P (n) is true for every natural number n. 10. We are a little vague on what “property” means at this point, but some possible examples of P (n) might be “n is even”; “n is equal to 3”; “n solves the equation (n + 1)2 = n2 + 2n + 1”; and so forth.
Proof. We shall just prove the ﬁrst claim. Suppose that A ⊆ B and B ⊆ C. To prove that A ⊆ C, we have to prove that every element of A is an element of C. So, let us pick an arbitrary element x of A. Then, since A ⊆ B, x must then be an element of B. But then since B ⊆ C, x is an element of C. Thus every element of A is indeed an element of C, as claimed. 19. 7. 40 3. 20. There is one important diﬀerence between the subset relation and the less than relation <. 13); however, given two distinct sets, it is not in general true that one of them is a subset of the other.
Thus the base case is done. Now suppose inductively that n + m = m + n, now we have to prove that (n++) + m = m + (n++) to close the induction. By the deﬁnition of addition, (n++) + m = (n + m)++. 3, m + (n++) = (m + n)++, but this is equal to (n + m)++ by the inductive hypothesis n + m = m + n. Thus (n++) + m = m + (n++) and we have closed the induction. 5 (Addition is associative). For any natural numbers a, b, c, we have (a + b) + c = a + (b + c). Proof. 1. Because of this associativity we can write sums such as a + b + c without having to worry about which order the numbers are being added together.
Symmetric Hilbert spaces and related topics; infinitely divisible positive definite functions, continuous products and tensor products, Gaussian and Poissonian stochastic processes by Alain Guichardet


Benton Elementary School revised its curriculum this year to focus more on Science, Technology, Engineering and Mathematics or STEM fields. One volunteer is picking apart a favorite pastime among his students, video games, to teach them about all these subjects.
Lucas and Kiren are video game designers based in Columbia. They are currently working on a video game called ‘Alphamon Apple’s Adventure’ which they think is going to turn a few heads.
This week on the show, a club at Benton Elementary teaches math, science and technology to students using video games. Plus, we’ll introduce you to the new principal of Shepard Boulevard Elementary in Columbia.
Columbia’s Thomas Benton Elementary School received 50 iPads at the beginning of the school year. The technology’s been used in classes such as Art, Music and P.E. KBIA’s Lee Jian Chung looked at how these tablet computers are being introduced into schools and whether or not it could replace the chalkboard.


Email: aaron dot schild at gmail dot com
I am an AI Engineer at Genesis Therapeutics. Before that, I was lucky to be a postdoc at the University of Washington under James Lee, Yin-Tat Lee, Shayan Oveis-Gharan, and Thomas Rothvoss. I was fortunate to be co-advised by Satish Rao and Nikhil Srivastava as a PhD student at the University of California, Berkeley. My research interests lie in the theory of algorithms, especially in planar graph algorithms and algorithms using spectral graph theory.
Sampling Arborescences in Parallel
Nima Anari, Nathan Zixia Hu, Amin Saberi, and Aaron Schild.
Algorithms and Hardness for Linear Algebra on Geometric Graphs
Josh Alman, Timothy Chu, Aaron Schild, and Zhao Song.
Improved Distributed Approximation to Maximum Independent Set
Ken-ichi Kawarabayashi, Seri Khoury, Aaron Schild, and Gregory Schwartzman.
Network design for s-t effective resistance
Pak Hay Chan, Lap Chi Lau, Aaron Schild, Sam Chiu-wai Wong, and Hong Zhou.
Cache-aware load balancing of data center applications
Aaron Archer, Kevin Aydin, MohammadHossein Bateni, Vahab Mirrokni, Aaron Schild, Ray Yang, and Richard Zhuang.
A PTAS for Bounded-Capacity Vehicle Routing in Planar Graphs
Amariah Becker, Philip Klein, and Aaron Schild.
Embedding Planar Graphs into Low-Treewidth Graphs with Applications to Efficient Approximation Schemes for Metric Problems
Eli Fox-Epstein, Philip Klein, and Aaron Schild.
Semi-Online Bipartite Matching
Ravi Kumar, Manish Purohit, Aaron Schild, Zoya Svitkina, and Erik Vee.
A Schur Complement Cheeger Inequality
Spectral Subspace Sparsification
Huan Li and Aaron Schild.
An almost-linear time algorithm for uniform random spanning tree generation
STOC 2018 Best Student Paper.
STOC talk slides
Localization of Electrical Flows
Aaron Schild, Satish Rao, and Nikhil Srivastava.
Sandpile prediction on a tree in near linear time
Akshay Ramachandran and Aaron Schild.
On Balanced Separators in Road Networks
Aaron Schild and Christian Sommer.
Interdiction Problems on Planar Graphs
Feng Pan and Aaron Schild.
APPROX 2013 and Discrete Applied Mathematics.


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Songs & Fingerplays
Make a rebus chart of the following rhyme. Insert pictures for words that I've (") Read the chart with your children, and then let them act out the rhyme.
I Have Two
I have "2" (eyes) to see with.
I have "2" (feet) to stamp.
I have "2" (ears) to ear with.
I have "2" (hands) to clap.
I have "2" (legs) to jump and jiggle.
I have "2" (thumbs) that I can wiggle.
I have "2" (elbows) see them bend.
I have "2" (arms) to hug a friend.
Arts & Crafts
Glue sets of 2 things all over a large tagboard number 2 cutout. 2 buttons, 2 stickers, 2 pompoms, etc.
Two of Each
Have your children tell you how many shoes they are wearing. Discuss number 2. What else do they wear in twos (socks, gloves, earrings)? Then ask your children how many feet they have? What other body parts do they have in twos (eyes, ears, arms, legs, hands, elbows, etc.)?
What's A Pair?
Set out an assortment of items that come I pairs (mittens, socks, gloves, castanets, etc.). Arrange the pair of items in the center of the circle. Ask your children to tell you how many items are in each set. What does pair mean? How many items are in a pair? Invite your children to name other things that
come in pairs.
Extension: Show your children some scissors and a pair of jeans. Why are these called a pair? What do they have two of?
Two by Two
Make a learning game by cutting index cards in half to make pairs of cards. Make sets of matching cards by attaching an identical sticker to each card in a pair. Pass out the cards among your children and then put a bottle in the middle of the circle. Spin the bottle so that it points to one of your children. Have that child show his or her card to the group. Have the rest of the children check their cards to see if they match.
Hint: This is a great way to dismiss children, two by two from circle time.
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North Carolina School of Science and Mathematics - Durham, NC
North Carolina School of Science and Mathematics — Durham, NC
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making everything easy
It has the same aim as the game: To teach times tables by learning the question and the answer so that, instead of having to count up in multiples, children will be able to say instantly, and with confidence, that 7 × 8 = 56.
The secret is in doing it out loud!
The numbers must be recited aloud as the game is played.
The instructions are roughly the same.
Instead of having to lay out and pick up cards, the child will put their finger on the top card and drag it to the corner to reveal the answer.
Mrs J’s Brilliant Times Tables App comes with full instructions and sound effects.
There is a soft noise as the cards are shuffled and a cheer to finish. Not enough to annoy but just enough to encourage.
Each times table can be practised at six different levels (from 5 to 12 – see picture on the right).
The beginners can start with answers up to 5 … and graduate through the levels until they are confident enough to do the whole times table and all the answers up to 12.
Essentially it is FUN to play – and times tables are an essential part of having confidence with maths!
Page last updated on: Wed, 9 Nov 2016 15:09


Validating account numbers uk modulus checking
We provide data and automation solutions for companies aiming to validate electronic payment details for the UK and Ireland.Our software can perform specific mathematical checks for each bank branch to verify if an account number has been correctly entered.
To avoid the costly overhead of manually correcting rejected Bacs payments, Faster Payments or Direct Debit, all bank account details should be checked.To reduce the possibility of such mistakes, account numbers can be crafted in such a way that simple errors are detected.This is done by calculating a single-digit value based on the account number, and then appending that digit to the base number to arrive at a final account number.You should later compare the old value of the check-bit, with the new to ensure the VIN's validity.Transliteration consists of removing all of letters and substituting them with their appropriate numerical counterparts. The following is the weight factor for each position in the VIN. It has been substituted with a 0, which will cancel it out in the multiplication step. Straight-ones (seventeen consecutive '1's) will suffice the check-digit. Each digit in the base number is assigned a multiplication factor.
The factors are assigned from right to left, starting at two and counting up.
One common scheme for generating self-check digits, described here, is called Modulus 11 Self-Check.
There are various versions of this, which differ in the weightings used; this document describes the one used by IBM on the i Series (formerly AS/400, System/38) and in the 5250 series of terminal devices.
Calculating the Check Digit Understanding the Background and Development of the Numbering System Understanding How Banks Use Routing Numbers Community Q&A The routing number on a check uniquely identifies the financial institution and the location where the check was printed.
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Write in radical form
If ais any nonnegative real number, then its square rootis the nonnegative number whose square is a for example, the square root of 16 is 4, since 4 2 = 16. Expressing in simplest radical form just means simplifying a radical so that there are no more square roots, cube roots, 4th roots, etc left to find it also means removing any radicals in the denominator of a fraction. Simplifying radical expressions write each expression in simplest form (a) do you see that is still not in simplest form because of the radical in the denominator. Intermediate algebra skill writing radical expressions in exponential form write each expression in exponential form 1) (36)5 2) (34)5 3) (3 3)4 4) (52)4.
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint. In normal form it would mean root3 8^5 but let's look at the 8=2^3 so we take the third root of socratic meta ask question log (5/3)# in simplest radical form. Writing expressions in radical form write each expression in radical form and then simplify using rational exponents, write each expression and simplify (a) (b. Convert the expression to radical form using the formula tap for more steps if is a positive integer that is greater than and is a real number or a factor, then. How to rewrite a radical with variables in it as an exponent and then simplify it simplifying higher-index root expressions so let me just write that.
Write in radical form
Write in radical form|dw:1354942417941:dw| @geoffb can you help me write it in radical form please @eyust707 can you help me write it in radical. Write each expression in radical form 13) (5 x) radicals and rational exponents date_____ period____ write each expression in radical form 1) 7 1 2 7 2) 4 4 3. Square root calculator, free , reduces square root to simplest radical form, calculates brute force approximation of square root. Intermediate algebra skill writing expressions involving rational exponents in radical form write each expression in radical form 1) 7 2 3 2) 10. You can put this solution on your website write in simples radical form x2/32/3 is a exponent x^2/3 the bottom of the fractional exponent is the root, and.
- Write each expression in radical form, or write each radical in exponential form write each equation in slope -intercept form so, in slope.
- Writing in radical form - duration: 7:01 mrban rhs 13,033 views 7:01 rewrite exponents in radical form.
- Write each expression in radical form, or write each radical in exponential form 62/87,21 62/87,21 62/87,21 62/87,21 evaluate each expression.
A given the root number (3) is the denominator the power (1) is the numerator exponential form = b given the root number (7) is the denominator. Write each expression in radical form 13) (5 x) radicals and rational exponents date_____ period____ write each expression in radical form 1) 7 1 2 7. In simple, broken-down, easy-to-understand way, how do you write an equation in radical form and simplify it. Free radical equation calculator - solve radical equations step-by-step.
Write in radical formRated 4/5 based on 27 review


Math Craze is a free mathematics game app. You can improve your math skills in an interesting and fun way. Math Craze makes mathematics a real challenging game. In this App, there are two game types that you can play. In the first game type, you have to enter the sum and product of two numbers in the text box i.e., Addition and Multiplication. In the second, you have to calculate and find the total sum of the numbers on the board that has different color boxes. You can shuffle the board and skip questions. You will get only question of addition in Game Type 2. This app is made by 14 year old Shahabas Shakeer (CEO at Skyxo). Website: www.skyxo.co.nf
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It was a long but essential hiatus. I was busy in my final year project, which I will describe later on, but now I have some room to breathe on. Continuing from where I left link …
To have prime factors printed with their multiplicities we not only need all its prime factors but we need to count their repetitions as well..Let’s first solve second in this. To simplify the job we have a function named ‘group’ in Data.List (pre-definied function for list). It basically creates sublists of consecutive recurring elements. i.e.group(aaaabbbb) = [aaaa][bbbb] It can be implemented easily
mygroup (x:xs) = let (first,rest) = span (==x) xs
in (x:first) : mygroup rest
mygroup [ ] = [ ]
To solve prime factoring problem -> Let’s use simplistic approach checking starting from 2
primeFactors n = primeFactors' n 2
primeFactors' 1 _ = [ ]
primeFactors' n f
| n `mod` f == 0 = f : primeFactors' (n `div` f) f
| otherwise = primeFactors' n (f + 1)
This appends f if f divides n or checks for f+1. Note use of `mod` and `div`. This method gives us all prime factors in increasing order with repetitions. Thus using group all distinct divisors will be separated. So use a simple counting method ->
mycount xs = map (\x -> (length x,head x)) (group xs)
It replaces every repetition sublist with its length and element. Done you are prepared for final code
prime_factors_mult n = map swap $ encode $ primeFactors n
where swap (x,y) = (y,x)
Note use of ‘$’. It is kinda syntactic sugar for parentheses. In short whatever follows $ takes over the precedence.
Just use the where clause carefully and you are done with code.
Moving on to tuples :
Tuples in haskell are useful construct for many things. Their first property is they need not be homogeneous. i.e. They can store values of 2 or more different types. They are enclosed in parentheses. (1,2) is a tuple in haskell. They are classified based on their length. (1,2) is a pair or tuple of size 2. Then there is triple and so on. So where to use it? Let’s say we have to store a triangle i.e. coordinates of vertices of a triangle in a single value. e.g. Triangle A(0,0), B(1,0), C(1,1). This can be done effectively with a list of tuples – [(0,0),(1,0),(1,1)]. Amazing isn’t it?
Let’s learn some constraints on using them -> something like [(4,5),(3,2,5)] or [(1,4),(‘a’,’b’)] is not allowed. First as they are different types of tuple (different lengths) second due to the fact that a list must be homogeneous.
First some useful functions for tuples
fst – returns first component; fst (1,2) = 1
snd – returns second component; snd (1,2) = 2
zip – creates list of pairs out of two lists; zip [1,2,3,4] [1,2,3,4] = [(1,1),(2,2),(3,3),(4,4)]
Now let’s solve a problem -> finding all right angle triangles whose sides are not greater than 10. In short finding all Pythagorean triplets which are not greater than 10.
Big deal, we have to create a list of pairs with some constraints on to them. It is again a one-liner.
righttriangles = [ (a,b,c) | c <- [1..10], b <- [1..c], a let righttriangles = [ (a,b,c) | c <- [1..10], b <- [1..c], a righttriangles
Just replace 10 by some other limit to find other Pythagorean triplets.
Brilliant!! We made a lot of progress; lets digest it for now and have a break. Next time we dive deeper into functional programming.
Keep on functioning,


Usually there are 13 to 14 bricks in one Cft of finished quantity of brick masonry. Ans. Message Ambrico. How to calculate number of Bricks per 10 Square Foot. 1 yd. If the mortar joints are taken out to about 3/4" depth, that puts us at about 0.01 cubic feet of mortar needed to tuckpoint 1 square ft. of brick wall Together with the price of each material, you can also come up with an estimate of costs for the materials. No.of bricks =170/0.096=1770 nos. For the rest of the materials, you would need about 1.15 bags of cement and 9.18 ft3 of sand. This is the method to calculate number of bricks and sand and cement on 10 ft height 10 ft length 4-inch wall (building inner wall) with 1:4 ratio. For example, if you’re trying to heat 1000 square feet in a cold climate, 30,000 - 40,000 BTU’s will add significant warm air to your home. Brick is often priced by the block, not the square foot, use our brick calculator to find out how many blocks you need for your project. Overage Online tools such as this brick estimator make calculations easier for you. For example: If the height of the wall is 10 feet and its length is 20 feet, the area of the wall is 200 square feet. 150 sq. As the bricks come in different sizes, it is exactly not calculated for one cft of bricks. Best Answer. So in 100 cubic feet there will be 1350 bricks. A standard brick weighs approximately 4 pounds, and each pallet will usually contain 534 bricks. Continue in this manner to the end of the area to be bricked. The second table shows the ratios of bricks to sand and bricks to PROSOCO's SureKlean. If you’ve made manual calculations, you may check the values you’ve acquired using this convenient brick calculator.eval(ez_write_tag([[300,250],'calculators_io-large-leaderboard-2','ezslot_11',106,'0','0'])); Once the manufacturers have cleaned the bricks, they’re placed in a stacker, and this mechanism will arrange them on pallets. Assuming brick dimensions given in inches. There are too many different sizes of bricks to make a generic answer work. Because of this, the calculator will generate two values: If you plan to measure using square footage, a standard modular brick requires seven bricks for each square foot. All of mine are older, for example my 23 rd. In more moderate climates, multiply by 20 - 30. After you’ve entered all of the values, the brick calculator will automatically generate the Bricks Needed, Bricks Wasted, and the Cost. Home Products Specials Contact. feet of flat brick, plus 20 linear feet of corners. To make things easier, you now have this brick calculator which you can use before you order materials for your construction. In this example, 5.14 pavers are required per square foot for a patio that is 375 square feet. Volume of brickwork = Thickness of wall x Area of brickwork Volume of brickwork = 9”x 144”=1296 inch^3 (∵1sq.ft=144”) Bricks required to cover 1 Sq. Determine the square footage by measuring the length and width of the area and then multiplying the figures. A wall typically requires 1 1 / 8 blocks per square foot. About seven modular thin brick are needed to cover a square foot, so 200 square feet X 7 thin brick per square foot = 1,400 thin brick to cover the wall. Nestle the first brick in one corner of the intersection. Liked by the question poster. There are about 500 bricks per pallet, according to the Lowe's Brick Buying Guide. My own estimation about the cost of a gang in practical terms today in outer London would be a gang rate of £600/day and therefore a m² rate of £30. Finding how many concrete blocks you need for your project can seem like a confusing and challenging task, but it can be simplified using the calculator above. To veneer a wall, start bricking at the bottom center, using a level board as a support until the mortar is hard enough to support the weight of the brick. The cost of labor for a mason to install a brick wall is usually between $7 and $10 per ft 2. So using our example of the free standing wall: Have a question about Ambrico or Thin Brick? Estimating the number of bricks required for a given area isn’t that daunting a task. They’re commonly made of shale or clay and baked in kilns. Prices depend on the clay type, size, finish, manufacturing process, color, and more. But remember that bricks come in different sizes, and each size will need a different number of bricks. So the first stage is just to measure the height and length of the wall in metres, multiply them together to give the area in square metres, and then multiply this by 120. The table below is a tool for estimating the number of bricks needed for a job. Masons charge anywhere from $50-$70 per hour and some handymen and contractors charge $30-$50 per hour. Bricks per square foot: 4.5 inch: 5.0625 bricks: 9 inch: 10.125 bricks: 13.5 inch: 15.1875 bricks: Bricks per square meter. Breaking it down like this, at the lower end of the spectrum, a new build house might cost as little as £1,400 per square metre. How many brick pavers in a square foot. Enter the measurements of the Wall Length and the Wall Height then select the unit of measurement. 3 inches is 1/4 of a foot, 6 inches is 1/2 a foot. Let’s take a look at how many bricks you need in a cubic meter or m3 and how much brick masonry you would need too. using this quantity you multiplying with total area with this quantity. Spread mortar on the second brick and then press it into position alongside the. Bricks per sq. Traditional brick walls cost around $35 per square foot. Its about 0.5 inches thick, and comes in a much wider range of colors than classic full brick. 3. It takes about five bricks per square foot for a paving project and seven bricks per square foot for a wall. Keep in mind, there are MANY different brick sizes, but this calculation holds true for standard 'modular' brick. At the top end of this range, you may be looking at more like £2,500, or even £3,000 per square metre. Enter the number of 8 inch x 2 inch x 4 inch bricks or 8 inch x 8 inch x 16 inch blocks you plan to use for your project. 7 bags (143 bricks per bag) yd. The shape of the bricks also affects the coverage. inches of mortar for surface area. Brick is often priced by the block, not the square foot, use our brick calculator to find out how many blocks you need for your project. ft. – 15 = 135 total sq. inches of mortar for surface area. Pine Hall Brick manufactures brick in the following sizes: • Modular – 3 1/2″W x 7 5/8″L x 2 1/4″H • Oversize -3 1/2″W x 7 5/8″L x 2 3/4″H • Queen – 2 3/4″W x 7 5/8″L x 2 3/4″H. Prices average $7-8.5 per square foot. Press the brick into position. However, you will also need to calculate in a variety of additional materials, such as mortar and concrete for the base trench of the wall. 150 sq. The area covered by one brick. 4 4 Answers from MyBuilder Bricklayers . Quantity of bricks depends upon: •Size of Bricks •Thickness of wall •Thickness of mortar CASE 1: Size of brick= 8”x4”x4” Thickness of mortar = 0.4 “ Thickness of wall = 9” No. So you need to multiply the surface area you h ave just calculated by 60. Compute this with the following formula: The length and width of the surface or the wall that you plan to fill with bricks. For wall installation, you will need about 7 bricks per square foot. Bricks come in different sizes, and the type you select will help you determine how many bricks you need because the different types have slightly different sizes. In this video you learn how many bricks required for one sqft of 9" brick wall. Also known as a “Wythe”. Area of brick = 2.62x7.62 = 19.9644 Sq. In this video you can learn easy method to "calculate quantity of bricks in 1 square foot of brickwork with & without wastage". Feet. Name * First Last. Installing brick pavers costs $10 to $17 per square foot total on average. So you need to multiply the surface area you h ave just calculated by 60. The calculator will tell you how many bricks are needed. Use a notched trowel to spread mortar on the bottom of the brick. 7.212838836 ie 8 bricks. Each course (single layer) of bricks will need 440 / 8 = 55 bricks. Cement Bricks Cement Maxi Bricks Cement Diamond Maxi Brick Cement Mini Maxi Bricks Clay Bricks Clay Maxi Bricks Pavers Cement Bags . Calculate how many bricks you need. So the total number of bricks for the wall is: wall height (metres) x wall length (metres) x 120 = number of bricks A bricklayer uses one pallet of bricks to lay 100 square feet of pavement or 71 square feet of wall. And in cold climates multiply the square foot number by 30 - 40. With a 1/4-inch gap, the space occupied by the brick will be about 9.64 by 18.64 cm or about 5.18 bricks per Sq-foot. The calculation you will need to use is: surface area x 60 = how many bricks you need. Measure the length of the space for the wall and convert the number to inches. Take the number 144 and divide it by the size of the paver brick (144 is the product of 12 x12, which represents the number of inches in a square foot). How many bricks required for 10×10 sq ft room, brick calculation for 100 sq ft room, in this topic we know about how many bricks in 100 square feet (10×10 sq ft ) room and cement mortar calculation for 100 square feet brickwork for room. In this video you can learn easy method to "calculate quantity of bricks in 1 square foot of brickwork with & without wastage". ft. 4.5 bricks for paving, hearths (laid flat – solid brick) Wall Ties: 1 per every 10 bricks (100 wall ties per 1000) 7.212838836 ie 8 bricks. Contact us using the form below, we will respond in 24-28 business hours. Place a spacer next to the brick. Here are the steps for getting a precise estimate using square footage method:eval(ez_write_tag([[970,90],'calculators_io-banner-1','ezslot_12',105,'0','0'])); When building a wall made of bricks, there may be times when you use the cubic meter unit of measurement. The final color depends on how it was fired. So 1200 bricks between the gang will amount to 20m² of single skin face brickwork (60 bricks per m²). feet of flat brick, plus 20 linear feet of corners. But remember that bricks come in different sizes, and each size will need a … Assuming brick dimensions given in inches. If you plan to measure using square footage, a standard modular brick requires seven bricks for each square foot. A mortarless installation … Bricks per sq. Therefore at £400, each m² will cost £20 for the labour. 5.14 times 375 equals just over 1,927 brick pavers required to complete the patio. Usually per every square meter of wall, you will need approximately 60 bricks. Approx 500 and rate is £450 per thousand. Let’s imagine that I can buy 100 stones for a cost of $20. of bricks = Volume of brickwork/ volume of 1 brick with mortar Volume of 1 Brick with mortar = 8.4”x4.4”x4.4” =162.624 inch^3. In warmer climates, multiply this number by 10 - 15. Entering these dimensions into the concrete block calculator gives a wall area in square feet of: If the mortar joints are taken out to about 3/4" depth, that puts us at about 0.01 cubic feet of mortar needed to tuckpoint 1 square ft. of brick wall; The math would lead you to believe that an 80 lb bag of mortar will allow you yo tuckpoint 70+ sq. Many homeowners prefer to use brick veneer as as an accent combined with fiber cement or vinyl siding. For this, you need the total coverage in square feet. Since the dimensions of the brick are usually expressed in square inches, you have to convert the area into square feet by dividing the brick area by 144. The correct mortar mix and the proper joint style is needed to ensure a fully-sealed wall. Standard modular brick courses 3 bricks per 8" vertically, and 8" per brick horizontally. Calculate the requirements of Sand , Bricks and Cement (per sq.ft) to build a low rise building ? There is more waste produced when building walls with bricks and a difference in mortar thickness that cause this difference. Answered 31st Mar 2015 Liked 27. Therefore, 1 square foot is 1.5 bricks wide x 4.5 bricks high, or 6.75 bricks per square foot. A wall typically requires 1 1 / 8 blocks per square foot. Hi, On average how many bricks can a bricklayer lay per day. Masonry jobs typically require 6.3 standard bricks per square foot, but the likelihood that some break makes seven bricks per square foot a safer estimate. 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ORANGE ROOM: Children 5 & 6 years old by September 1
Monday through Friday 8:45 AM – 1:45 PM
The Orange Room is a multi-age classroom that includes Pre‑K II and Kindergarten students. The Pre-K II year is offered as a year of “time” for children whose developmental level suggests that another year of carefully balanced play and learning will benefit them. Work habits, listening skills, and completion of tasks are viewed as essential in this stimulating environment. As this is honored, the child bridges the world of play with a carefully introduced offering of math concepts and of phonics (letters and their sounds). Exposure to such concepts helps provide a firm foundation for the math and reading skills necessary for success in Kindergarten.
The curriculum for Kindergarten students focuses primarily on language arts and mathematics with a desire to let each child proceed at his or her individual pace. In addition, special theme study units are interspersed which enable the class to alter the traditional format of study and add to the spontaneity and creativity in the class. The Kindergarten program includes work in phonics, beginning reading, handwriting, and basic mathematic tools such as addition, subtraction, and sets.
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- Managing DEMs
- Topographic maps
- Mobile apps
This is an old revision of the document!
This terminology is generally sourced from Appendix A of 'Datums and Map Projections' (Iliffe & Lott 2008) based off the ISO 19111 terms.
|Coordinate||A sequence of n numbers designating the position of a point in n-dimensional space|
|Coordinate conversion||Change of coordinates from one CRS to another in which the two CRSs are based on the same datum|
|Coordinate operation||Change of coordinates with a 1-to-1 relationship, from one CRS to another. Comprised of coordinate conversion and coordinate transformation processes|
|Coordinate reference system (CRS)||A coordinate system that through a datum, has defined position, scale and orientation with respect to an object (usually the Earth)|
|Coordinate system||Set of rules defining how coordinates are assigned to points|
|Coordinate transformation||Change of coordinates from one CRS to another, where the CRSs datums differ|
|Datum||Defines the position of the origin, the scale and the orientation of the axis of a coordinate system with respect to an object|


Is your young ancient explorer fascinated by the majestic city of Machu Picchu? Or perhaps they need to practice converting common measurements and calculating perimeter and area?
Yes? Then I have just created a resource that is the perfect for them!
In my latest e-resource, Let’s Record The Buildings of the Inka, I encourage young ancient explorers to become great mathematicians and builders just like the Ancient Inka!
In this 15-page bundle, children are introduced to the Inkan architectural tradition, including their measurement system. They will also learn of some of the methods archaeologists use to record them. The resource contains activities and a fun scenario-based problem that encourages children to practice converting measurement units, calculate perimeter and area.
Let’s Record the Buildings of the Inka will be available rom my e-store as a PDF download starting next week. It will also be available from my Teachers Pay Teachers store.


I decided to publish the source code of my camshift implemenation via the spark project community. Many thanks to Yossy and all the team. Editing wiki pages with a japanese interface was a funny but also a bit stressing experience . So you can find the sources here. I called it FaceIt . I will try to improve it little by little, there is a lot of optimizations which could be done.
I will try also to explain a bit here how it works for those who want to have a better understanding of the algorithm or just for those who have nothing to do today .
As I said into my first post, Camshift is a object color based tracking algorithm. You use a search window (a rectangle area) at each frame of an image sequence that will try to find and to follow the tracked object according its position found into the previous frame. Actually the main idea is to compare two color histograms: the one of the tracked object and the one of the area defined by the search window on the current image .
Color histogram is just a way to represent colors distribution into an image. You divide the colors space into color ranges called bins and you count how many pixels belong to each bin according its color. I used a 4096 bins histogram for my implementation. I just divided each color channel by 16 (256/16 = 16 and 16×16x16 = 4096, the count is good ! ). Then to achieve the histogram comparison camshift uses a method called histogram back projection. The process searches the probability that a colors range “belongs” to the tracked object. The probability for each histogram bin is givened by the following formula that I used:
Again a wonderful math formula which actually is not that hard to understand. For each histogram bin (i) we do a ratio between the number of pixels of the model by the number of pixels of the current analyzed image. So more you have pixels into the current analyzed image which belong to one histogram bin, more the ratio is closed to zero and more the probability is low. In other words, a lot of pixels can “belong” to the tracked object and you can not really know which one and be sure at 100%. You can do the same kind of interpretation with high probabilities. After computing the probabilities, for each pixel into the search area and according their color, you “back project” the probability value you just found before . It gives this kind of gray-scale image which shows for each pixel a kind of weight to “belong” to the tracked object:
Into the back projection image more a pixel is closed to the white more it probably “belongs” to the tracked object . Notice that for my part i did not used a gray-scale bitmapdata but just used an array structure to represent the probabilities distribution. After computing the probabilities distribution the algorithm tries to locate the maximum of density. To simplify the algorithm just tries to locate the center of the biggest “light grey” area. To achieve this goal camshift used the meanshift algorithm. Meanshift is an iterative method which tries to converge on something using previous iteration results. I made this little animation to show the meanshift iteration. At each iteration you fin the center of the probability distribution inside the search window and then you move the search window to the found center and so on. The start position of the search window is the position of the search window into the last analysed image.
After locating the maximum of density of the probabilities distribution, Camshift uses the 2nd order moment to retrieve the size and the orientation of the distribution. Actually camshift is almost the same algorithm than Meanshift algorithm, except Bradski added a smart step at the end. Indeed at each new frame the search windows size is rescaled according to the size of the distribution found just before. That is why camshift means Continuously Adaptive Meanshift. Like that the tracking accuracy is really better because during an image sequence the tracked object can be sometimes smaller or bigger than the original model according its position to the camera. Into the original camshift Bradski use the area of the shape to find the new search window size. To my part I just take a 10% bigger window.
Notice that in order to make it computationally efficient I needed to reduce my source image size by 4, because otherwise 2D-loop I used killed the cpu. I guess in that way I lose a lot of accuracy, even if the result is not that bad.
I will try for the next version to do this improvements :
- Using HSV space color instead of RGB. Better I guess for brightness change.
- Separating contours pixels in the histogram to give them an other weight in the probability distribution and to have a better differencing between the tracked object and the background.
- Using maybe vector instead of array. I talked a bit with Thibault about it. He did a nice benchmark on this topic.
- Doing some pre-processing like blurring on analyzed image or back projection image.
Maybe some of you will have good ideas or will find better way to implement it. I am opened to all suggestions and I hope Thibault will be able to dance faster and better on the next release .Tags: camshift, face tracking, FaceIt