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PUBLIC MARKS from acarranca with tag matematica

23 May 2006 -- Calculators, Lessons, and Worksheets is a collection of lessons, calculators, and worksheets created to assist students and teachers of algebra.

17 May 2006

15 May 2006

06 May 2006

Random Number Generation

by 1 other
Have you ever used rand() or Math.Random() or System.Random or java.util.Random? You could do a lot better. Did you know that these use one of the slowest and least random algorithms available? In this article, I provide C/C++, Java, and C# implementations of two fast, high-quality random number generators, the Mersenne Twister and R250/521

05 May 2006

01 May 2006

What is Chaos? An Interactive Online Course for Everyone

by 2 others
What is Chaos? a five-part online course for everyone :: Math is an attitude

by 1 other
Want to learn how to quickly square a number that ends in 5? Or how to tell if a number is divisible by 3? Or maybe you'd like to know why the number 153 in the Bible is such an interesting number? That's the kind of fun and fascinating math tricks and trivia you'll find here at

06 April 2006

31 March 2006

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