Pi Day — March 14, or 3.14 — is here, and for Californians, the math-themed holiday comes with extra local flavor. The celebration was born in California in 1988 at San Francisco’s Exploratorium, and ...
Tuesday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...
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