Nerd: n. One who invents and implements a Calculus card game in which players make expressions for their opponents to integrate or derive, with players being knocked out when they fail to correctly solve an integral.
To anybody ever planning to take a course on Formal Foundations of Computer Science, including a unit- or the main point of the course- on proofing programs: Do everything you can to avoid writing nested while loops. The proofs get ugly, painful, painfully ugly, and uglyly painful.