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The Long Island Museum - Today is National Pi Day, so called because it's March 14 or 3/14 or 3.14. The number π (pi) is a mathematical constant. Originally defined as the
Max Planck Society on X: "Happy #PiDay, everyone!🤗Pi Day is celebrated on March 14 by #maths lovers around the world because when written out 3/14, the date corresponds to the first three
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New Mexico Public Education Department on X: "Today is Pi Day, celebrated around the world on 3/14. Pi (Greek letter “π”) is the math symbol representing the ratio of the circumference of
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