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Pi Approximation Day is observed on July 22 (22/7 in the day/month date format), since the fraction 22 ⁄ 7 is a common approximation of π, which is accurate to two decimal places and dates from Archimedes. [33] In Indonesia, a country that uses the DD/MM/YYYY date format, some people celebrate Pi Day every July 22. [34] Tau Day, also known ...
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Pi Day is celebrated each year on March 14 because the date's numbers, 3-1-4 match the first three digits of pi, the never-ending mathematical number. "I love that it is so nerdy.
Proofs of the mathematical result that the rational number 22 / 7 is greater than π (pi) date back to antiquity. One of these proofs, more recently developed but requiring only elementary techniques from calculus, has attracted attention in modern mathematics due to its mathematical elegance and its connections to the theory of Diophantine approximations.
Pi Day could not have been "invented" by Larry Shaw. I came up with the idea on March 14, 1980 and celebrated Pi Day in my math class at Northport High School, Long Island NY USA, and printed out a banner for the computer room using the PDP-11, consisting of pi out to 62 (20pi) places. (Nicholas Zymaris, nickz@eskimo.com).
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Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many ...
Pi Approximation Day (22/7 in the day/month date format) First Friday of August International Beer Day: 2007 October 1 International Coffee Day: 2015 [11] World Sake Day: