Celebrate Pi Day: Do You Know Why and How it Started

We cannot deny the significance of Formulas in our technical & scientific developments. Today whole world marked a special mention for a mathematical formula like π (Pi).


History of Pi Day

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

Pi Approximation Day is observed on July 22 (22/7 in the day/month date format), since the fraction 22⁄7 is a common approximation of π, which is accurate to two decimal places and dates from Archimedes.

Pi Day Celebrations 

Google celebrates it with a special doodle and designed home page.


Pi Day has been observed in many ways, including eating pie, throwing pies and discussing the significance of the number π, due to a pun based on the words "pi" and "pie" being homophones in English.


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