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Unstrange Phenomena

14 March 2009

Celebrate Pi Day!

Photo by d3 Dan @ flickr

From: piday.org

"Pi, Greek letter ( ), is the symbol for the ratio of the circumference of a circle to its diameter. Pi = 3.1415926535... Pi Day is celebrated by math enthusiasts around the world on March 14th.

The Number Pi

Pi represents the relationship between a circle’s diameter (its width) and its circumference (the distance around the circle).

Learn About Pi

With the use of computers, Pi has been calculated to over 1 trillion digits past the decimal. Pi is an irrational number meaning it will continue infinitely without repeating. The symbol for pi was first used in 1706 by William Jones, but was popular after it was adopted by the Swiss mathematician Leonhard Euler in 1737."

From Denny: Go to the site for funny pi comments and the like. What will they think of next?
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