2008年11月7日 星期五

Interesting Maths Wiki items

Proof that 22/7 exceeds π - Wikipedia, the free encyclopedia
Proof that 22/7 exceeds π
Proof that π is irrational - Wikipedia, the free encyclopedia
Proof that π is irrational
Proof by exhaustion - Wikipedia, the free encyclopedia
Proof by exhaustion, also known as proof by cases, perfect induction, or the brute force method, is a method of mathematical proof in which the statement to be proved is split into a finite number of cases, and each case is proved separately. A proof by exhaustion contains two stages:
Tetration - Wikipedia, the free encyclopedia
In mathematics, tetration (also known as hyper-4) is an iterated exponential, the first hyper operator after exponentiation

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