Monday, (3/14) is National Pi Day

Celebrate a mathematical constant, eat some pie

Monday, March 14 (3/14) is Pi Day, the day when we celebrate the mathematical constant of the ratio of the circumference of a circle to its diameter, which is approximately 3.14159.

According to the official Pi Day website, Pi has been calculated to over one trillion digits. It is an irrational and transcendental number that will continue infinitely without repetition or pattern.

Pi Day was organized by Larry Shaw in 1988 at the San Francisco Exploratorium when he and other physicists marched in a circle and then ate fruit pies.

The Massachusetts Institute of Technology famously mails its acceptance letters on March 14.

Since the number continues infinitely, it has been a source of competition for Guinness Book of World Records wannabes. According to NBC News, the world record belongs to Chao Lu, a Chinese chemistry student, who named 67,890 digits over 24 hours in 2005. It took 26 video tapes to submit to Guinness.

Coincidentally, the day is also Albert Einstein’s birthday.

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