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 14th is “Pi Day”, for reasons which should be obvious to our more mathematically inclined readers. As you are not reading this post on March 14th, that must mean we’re either fashionably late to ...

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 ...