March 14

history

March 14, written numerically as 3/14, aligns with the first digits of pi, giving the date a natural connection to mathematics and science. Across centuries, this day has hosted...

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math-education

Pi Day is observed on March 14 (3/14) because the date matches the first three digits of pi (3.14). Pi is the ratio of a circle’s circumference to its diameter, an irrational...

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