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How to Find a Math Tutor for Sixth-Grade Math Near North Hollywood, California
by Greenman in Education
Obtaining tutoring assistance during the elementary school years, in subjects such as math and English, is an ideal tool that helps students establish study habits. Tutoring can also catch and correct learning problems, before they become an unwanted habit. Parents in the North Hollywood, California, area looking for local math tutoring assistance for their sixth-grader can enroll the child in a s

java based math libarary to handle multiple math scenarios
by Joe in Programming Languages

We are planning to do something similar to what is available in this site AAAMath. We would like to generate sample questions which will add / mult / div / sub (either 2 numbers or 3 numbers or one of the numbers could be a constant ..). Would like to know if there are any libraries which provide a higher level abstraction on the above basic math operations (e.g. provide a single method which i


Jquery/Javascript Math: Why are these two 1 line math problems not giving the same answer?
by jason166 in Web Design

Shouldn't these two math problems give the same answer? Brackets/parenthesis are done first, right? so it should add them all, then divide it by 2, then subtract 10. The second answer below is the one giving me the correct value that I need, the other one gives a value that's a long ways off.


var pleft = $(this).offset().left + ($(this).width() /2) - ($("#question-wrapper").w

Include classes of Mahout math libraries of both core & math folders - Eclipse - Hadoop
by jrf in Programming Languages

My issue is similar to this one : Runing a simple Mahout program , but a bit more complicated.


I am writing hadoop code, and would like to use Mahout math libs (e.g. SparseRowMatrix & VectorWritable classes).


The problem is that the former example class lies at math folder of latest SNAPSHOT of Mahout, while the latter is placed under core folder - and both share the


In Ruby, is there a way to “arr.sort {|i| Math.cos(i) * Math.sin(i)}” instead using |i,j| and repeat it twice?
by textmate in Programming Languages

Such as the code:


irb(main):001:0> a = [1, 2, 3, 4, 5]
=> [1, 2, 3, 4, 5]
irb(main):002:0> a.sort {|d,e| (d - 3).abs <=> (e - 3).abs}
=> [3, 2, 4, 1, 5] # sort by closest distance away from the number 3

it is not so good to repeat the expression twice, and it is too trivial to create a function just for that expression. Is


Can someone show me how to properly write Math.cos or Math.acos for android
by skulldrinker in Android

I have tried writing this in android and I get NAN as the result.
this is my current code can someone verify this correct and if not offer me the correct equation. Thank you.


Math.acos((((a*a)+(c*c))-(b*b))/(2*b*c));


Math Games to Teach Children to Improve Their Math Skills
by Mai72 in Education
Math can be difficult to teach. Since math can be especially difficult for students many of them shut themselves off from the lesson than try to learn. However, when incorporated into a fun or accessible activity, students become more engaged and interested in math, sometimes not even recognizing that they are learning it. These games work best for younger students, primarily those between kinderg

Math.max and Math.min outputting highest and lowest values allowed
by destrekor in Programming Languages

so I'm trying to make a program that will output the sum, average, and smallest and largest values. I have everything basically figured out except the smallest and largest values are outputting 2147483647 and -2147483647, which I believe are the absolute smallest and largest values that Java will compute. Anyway, I want to compute the numbers that a user enters, so this obviously isn't correct.


J Language for learning math - “Math for the Layman”
by Jeffrey Shackelford in Web Design

Working programmer looking for a math refresher or just developing mathematical thinking. Saw J Language http://www.jsoftware.com/jwiki/Books


The book "Math for the Layman" claims that the J language makes math easier to learn by providing interactive tools and simpler notation than conventional math. Can someone confirm this from experience, specifically for learning mathematical t


operator precedence and associativity with Math.Floor(Math.Random())
by DCal430 in Web Design

I understand how the code works, in terms of the results it gives. First, it gets a random number, and, second, using Math.floor() it rounds down the results of Math.Random. Therefore, it's moving from right to left through the code.


Math.floor(Math.Random * num);

In the JavaScript Reference at this url and shown in the image below


it say


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