Mathematical Gems
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http://braden.weblogger.com/mathGems/  


Brief articles include Irrationality of the Square Root of 2; The Best Card Trick; Boltzmann in Berkeley; Four of a kind and two jokers; Mathematical Paint (on Gabriel's Horn); How Many Squares, Mr. Franklin? Goldbach's Proof of the Infinitude of Primes; Polyhedra madness; Homage to Euler; Why Learn Trigonometry? and Where are the zeros of zeta of s? From a blog of "curiosities of math, history, parachuting, etc..."  


Levels:  High School (912), College 
Languages:  English 
Resource Types:  InternetBased Projects, Articles 
Math Topics:  Prime Numbers, Patterns/Relationships, Calculus (Single Variable), Polyhedra, Number Theory, Trigonometry, Probability 
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