why was the six afraid of the seven? because 7, 8, 9. elephant grape sin \theta (elephant rhinocerous sin \theta) elephant mountain-climber what's purple and commutes? an abelian grape. i'm e^x! (the differentiators are coming! they're going to change everything!) polish pope joke (john paul ii was the most well-travelled pope ever) tangent locusts/loci adder/log joke what did the hansome cab driver do when he quit the night shift? he got a descartes. what did the coxen say to the chinese crew team? rolle. why did the chicken cross the mobius strip? what did the sapling say when it grew up? gee, i'm a tree! assume a spherical cow...