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 ...

March 14—aka Pi Day—isn’t just for math nerds. It’s the one day a year where we celebrate the magic of the number π (pi), which starts at 3.14 and goes on forever. But Pi Day isn’t just about ...

It wouldn't be National Pi Day at Wonkblog without some pie charts to mark the momentous occasion. The versatile chart can be used in all sorts of situations. Like to figure out how much pie one has ...

Math lovers and pizza enthusiasts can unite today. It's Pi Day! Get ready to drool! Pi Day pies are taking over social media, and the world can't get enough. From Oprah to The Big Bang Theory, this ...