Come spring, everyone's a joker about math. That's because every March 14 — 3.14, that is — is Pi Day, so named for the set of numerals that make up its date. Sure, pi is technically the ratio of the ...

If you haven’t celebrated Pi Day yet, what are you waiting for? This unofficial holiday rolls around every March 14 — that’s 3/14, matching the rounded number of pi. In case you need a refresher, pi ...

If you're a math wiz, or just a person on the internet, you know that March 14, is a very special day. For those of you who don't know, however, it’s Pi Day, a day that celebrates the mathematical ...