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Happy π Day!

posted Mar 14, 2012, 9:19 AM by Luke Johnson   [ updated Mar 13, 2013, 7:01 AM by James Johnson ]
Today, 3/14 is National Pi Day!  π (pi) is the ratio of the Circumference of a circle to the Diameter C/d. 
finding pi

π is used in many mathematical, scientific, economical, geographic, and many other fields. 
π = 3.14159265358979323846264338327950288419716939937510
How many digits of pi can you memorize?