Obiwan Kenobi writes "Gamespy has a new article up on the Top Ten All Time Rarest Video Games. This wacky list includes such gems as Chase the Chuck Wagon and Bubble Bath Babes, the only NES game with nudity (square nipples, anyone?). Makes me wonder what the top ten rarest PC games are..."
In any formula, constants (especially those obtained from handbooks)
are to be treated as variables.