The Pi  (π) Day

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 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. UNESCO's 40th General Conference decided Pi Day as the International Day of Mathematics in November 2019. Pi Approximation Day is observed on July 22 (22/7 in the day/month format), since the fraction ​22⁄7 is a common approximation of π, which is accurate to two decimal places and dates from Archimedes.

Pie is a day worth celebrating! Pi, also known by the Greek letter “π,”

is a constant value used in math that represents the ratio of a circumference of a circle to its diameter, which is just about 3.14….15…9265359… (and so on). Not only that, but the fourteenth of March is also Albert Einstein’s birthday, so all together it’s nothing short of a mathematician’s delight.

Since 1988, Pi Day has been celebrated at the San Francisco

Exploratorium. It was first organized on a large

scale at the Exploratorium by Larry Shaw who used to work as a physicist there. He celebrated the day with

the staff and public marching around one of its circular spaces, then consuming fruit pies. The Exploratorium continues to hold Pi Day celebrations till date. People all around the world celebrate Pi Day by indulging in various activities. Many organize cake baking competitions, other gives each other the fun challenge of memorizing the digits of Pi after the decimal point and by computationally calculating more and more digits. Schools and education organization also observe this day by playing fun games that include the value of Pi.

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