Happy Pi Day

Every March 14 (3/14), mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign pi (π), expressed most simply by the decimals 3.14

That 3.14 “joke” does not work so well in Europe where this date is normally written as 14.3.2025.

The March 14 date coincides with Einstein’s birthday as well as Stephen Hawkings death.

For celebration tips check https://www.piday.org/

There is also another 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.

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