Pi Day on March 14th celebrates the mathematical constant pi.

Pi Day, celebrated on March 14th (3/14 in the American format), honors the mathematical constant pi (π), which is the ratio of a circle's circumference to its diameter. With its roots tracing back to ancient civilizations like Egypt, Babylon, and China, pi has practical uses in physics, astronomy, and engineering. Pi Day is also Albert Einstein's birthday, and events such as lectures, museum exhibitions, and pie-eating competitions are held worldwide to raise awareness and interest in math and science.

March 13, 2024
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