It's Pi Day! Here are 3.14 facts about pi

CLEVELAND, Ohio — It's Pi Day, that one day of the year people celebrate mathematics while enjoying a slice of discounted pie. Pi Day was first celebrated on March 14 (3.14, get it?) in San Francisco in 1988. It became National Pi Day in 2009 after

CLEVELAND, Ohio — It's Pi Day, that one day of the year people celebrate mathematics while enjoying a slice of discounted pie. Pi Day was first celebrated on March 14 (3.14, get it?) in San Francisco in 1988. It became National Pi Day in 2009 after

You know the old saying: it's Pi Day, Pi Day, gotta get down on Pi Day. And what better way to celebrate the date that embodies everyone's favorite mathematical constant than with precisely 3.14 facts about pi.

March 14 (3/14) is celebrated annually as Pi Day because the date resembles the ratio of a circle's circumference to its diameter — 3.14159265359 or 3.14 for short. Archimedes of Syracuse (about 287–212 B.C.) is credited with doing the first

CLEVELAND, Ohio — It's Pi Day, that one day of the year people celebrate mathematics while enjoying a slice of discounted pie. Pi Day was first celebrated on March 14 (3.14, get it?) in San Francisco in 1988. It became National Pi Day in 2009 after