From: utzoo!decvax!decwrl!sun!megatest!fortune!dsd!atd!avsdS:nelson Newsgroups: net.jokes Title: Obscure math joke Article-I.D.: avsdS.303 Posted: Thu Jan 20 16:47:16 1983 Received: Fri Jan 21 06:30:25 1983 Why did the mathematician name his dog Cauchy? Because he left a residue on every pole.