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March 14, 2017 AT 1:30 am

Today is 3.14, Happy Pi Day! #PiDay

Adafruit pi day blog 2017

Oh π, where would we be without you!? Happy Pi Day, folks!

Here’s a quick rundown of Pi Day from Wikipedia:

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.

We recommend browsing through PiDay.org for mathematical mentions in the press, as well as where you can celebrate Pi Day with fellow fans.

See if you can solve these Pi Day puzzles courtesy of The Guardian.

If you’re looking for Pi Day actives, check out Exploratorium.edu!


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