The Pythagorean Theorem. E=mc(squared). The Fourier transformation. Calculating how much you owe in tip after splitting a dinner bill between five people, two of whom insist on not counting any beverages on their shares because they didn't have any and they're real pains in the ass. The world of mathematics is rife with important and thought-provoking equations. But none of them compare to our favorite. Because ours includes high explosives.