curiousmath :: math is an attitude - 0 views
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Jesse Gordon on 17 Feb 09Want 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 learn how to calculate square roots by hand? That's the kind of fun and fascinating math tricks and trivia you'll find here at CuriousMath.com.
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Jordon Tucker on 16 Mar 09A collection of math tips and tricks. 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 learn how to calculate square roots by hand? That's the kind of fun and fascinating math tricks and trivia you'll find here at CuriousMath.com.