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March 14, 2013 AT 9:36 am

Happy Pi Day

Pi Pie2

Pi Day @ Wikipedia, the free encyclopedia.

Pi Day is an annual celebration commemorating the mathematical constant π (pi). Pi Day is observed on March 14 (or 3/14 in month/day date format), since 3, 1 and 4 are the three most significant digitsof π in the decimal form. In 2009, the United States House of Representatives supported the designation of Pi Day

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