What is Pi Day? Everything you need to know about celebrating
5:14am PDT - March 14th, 2019 albert einstein - USA TodayIf you love math, or pie, or both, March 14 is a great day. It's Pi Day, in honor of the historic mathematical measurement.
If you love math, or pie, or both, March 14 is a great day. It's Pi Day, in honor of the historic mathematical measurement.