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What is definition for pi day?

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Anonymous

13y ago
Updated: 8/20/2019

it's called Pi Day because Pi=3.14 and the abbreviation for March 14th is 3/14 and somewhere along the way someone decided that they should write their dates with a decimal instead of a slash or hyphen. so March 14th (3/14) now = Pi (3.14)

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Wiki User

13y ago

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