Pi Day (3/14) is the unofficial holiday dedicated to pi. Pi is the ratio of a circle's circumference to its diameter, and it's an irrational number, so it can't be expressed as a simple fraction of two integers. The number starts out with
This attention comes to a head each year with the celebration of "Pi Day" on March 14, when, in the United States, with its taste for placing the day after the month, 3/14 corresponds to the best-known decimal approximation of pi (with 3/14/15
(CNN) — March 14 is my favorite day to be a nerd. Across the country, math geeks in museums, schools, private groups and elsewhere gather to celebrate the number pi, approximately 3.14. That's why March 14 — 3-14 — is Pi Day. What's more, Albert
Tomorrow, 3/14, is Pi Day in the USA (it will not be Pi Day in the rest of the world until the Martian Emperor subjugates us all to his sinister 14-month calendar). In celebration, Thingiverse user Thor4231 posted this great
As the world celebrates Pi Day on Friday, a movement is growing that claims pi — or 3.14, the ratio of a circle's diameter to its circumference — is wrong. MORE: World celebrates 3.14. The Tau Day movement supporters — also known as Tauists — say