Tuesday - Happy Pi Day

LionJim

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Oct 12, 2021
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Pi = 4-4/3+4/5-4/7+4/9-4/11…

Pi was proved by Lambert in 1761 to be irrational. (Think about it: it took thousands of years for someone to find a proof.) Lindemann proved in 1882 that pi is transcendental, a bigger deal. Oversimplified explanation: sqrt(2) is irrational but it can be constructed, as sqrt(2) is the hypotenuse of an isosceles right triangle with legs of length 1. (Some irrational numbers can be constructed.) Pi cannot be constructed with a compass and an unmarked straightedge. (Transcendental numbers cannot be constructed.)
 

Nitt1300

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Nov 2, 2008
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BobPSU92

Heisman
Aug 22, 2001
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Pi = 4-4/3+4/5-4/7+4/9-4/11…

Pi was proved by Lambert in 1761 to be irrational. (Think about it: it took thousands of years for someone to find a proof.) Lindemann proved in 1882 that pi is transcendental, a bigger deal. Oversimplified explanation: sqrt(2) is irrational but it can be constructed, as sqrt(2) is the hypotenuse of an isosceles right triangle with legs of length 1. (Some irrational numbers can be constructed.) Pi cannot be constructed with a compass and an unmarked straightedge. (Transcendental numbers cannot be constructed.)

Thousands of years? They had circles back then?
 

Mufasa94

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Jan 9, 2009
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Did anyone know today is actually national potato chip day? Heard it mentioned on news last night and then did a search today and many websites state it is.
 
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