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Tag Archives: Pi

Pi Day is celebrated in the USA by math heads and associated geeks on March 14th (from 3.14, the first few significant number of the number Pi). In other parts of the world Pi Day is celebrated on July 27th — although I’m not sure why July 22nd (because, says David Blatner “22/7 is a pretty good approximation of pi (but 355/113 is better… too bad we don’t have that many months))”

Pi, represented by the Greek letter Π, is a symbol for the ratio of the circumference of a circle to its diameter: Pi = 3.14159265358979323846…

Suggested reading: David Blatner’s The Joy of Pi | Wikipedia’s entry on Pi