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 ...

Do you know your geometry from your arithmetic and your fractions from your logs? Let’s find out! Think of this as a math class without the quizzes, where every problem has a twist solution, every ...