Every year on March 14, people around the world celebrate Pi Day. Let’s discover the history, meaning, and fun facts about Pi.

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Pi is a mathematical constant that represents the ratio of a circle’s circumference to its diameter.

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Pi Day is celebrated every year on March 14 (3/14) because the first digits of Pi are 3.14.

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Pi Day was first celebrated in 1988 by Larry Shaw at the Exploratorium science museum in San Francisco.

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In 2019, UNESCO officially declared March 14 as the International Day of Mathematics.

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• Pi is an infinite and non-repeating number • Trillions of digits of Pi have been calculated • Many people celebrate by eating pie dessert

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Pi is used in many fields such as: • Engineering • Physics • Architecture • Space science

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People celebrate Pi Day by: • Organizing math events • Holding pie-eating contests • Solving math puzzles and quizzes

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Pi Day reminds us how beautiful and important mathematics is. Celebrate March 14 and enjoy the magic of Pi!

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