Happy Pi Day - 2022

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The National Pi Day takes place every year on March 14, a nod to the first three digits of the mathematical constant 3.14

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Pi is the ratio of the circumference of a circle to its diameter

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Falling on Albert Einstein’s birthday, Pi Day is celebrated by math fans all around the world

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The first Pi Day was celebrated in 1988 in California.

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Eexpecting to make nearly 1,500 pizzas today.

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Pi Day was officially designated by the U.S. House of Representatives in 2009.

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Math teacher William Jones "invented" pi in 1706 when he was the first to use the Greek letter π (pi) as the symbol for the mathematical ratio.

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While Jones gave the concept a name, its roots are much older.

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