I have had a fondness for the mathematical constant ? (pi) ever since I did maths at school and for some reason have found it useful all my life.

So I was delighted to discover that it is celebrated.

Wikipedia tells us that Pi Day is an annual celebration of the mathematical constant ? (pi). Pi Day is observed on March 14 (3/14 in the month/day format) since 3, 1, and 4 are the first three significant figures of ?. It was founded in 1988 by Larry Shaw, an employee of the Exploratorium. Celebrations often involve eating pie or holding pi recitation competitions. In 2009, the United States House of Representatives supported the designation of Pi Day. UNESCO’s 40th General Conference designated Pi Day as the International Day of Mathematics in November 2019. Alternative dates for the holiday include July 22 (22/7, an approximation of ?) and June 28 (6.28, an approximation of 2? or tau).

Even if you don’t give a fig about pi just enjoy a great pie today. I might just break my long held dietary commitment to avoiding them.

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