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Happy PI Day

Happy #piday! March 14 is Albert Einstein’s birthday and also the day to celebrate the one little symbol that represents the ratio of a circle’s circumference to its diameter. It is an irrational number, meaning that it can never be put in an exact fraction and never really ends.
Pi Day was created in 1988 by physicist Larry Shaw. It’s since become an international day, celebrated around the world.

#piday #piday2017