Monday, March 15, 2010

Celebrating Pi

Circle illustration
Today I found all kinds of  videos celebrating the number Pi. Why is Pi so important? It is the ratio of any circle's circumference to its diameter!  It does not matter how large or small a circle is you get Pi. The number appears in almost every single formula describing the physical world we use. The number is special because it is irrational ( can't be written as a fraction) and goes on forever.









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