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 ...

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 ...

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 ...

March 14 is that special time of year people pay homage to the mathematical constant pi (π). And a finding from a Pew Research Center survey should bring good cheer to educators nationwide: Most ...