In the first ever episode, baby Maggie arranges building blocks into a stack that reads EMCSQU, thus cracking Einstein's famous formula E=MC2. You may not have noticed this, but it's a sign of things to come. "The Simpsons" in fact contains enough sophisticated maths to form a university course, and the bestselling author of "Fermat's Last Theorem has" noticed, and here explains all in his accessible style.