""But Who's Counting?"" Wilma Wright and Orva Wright do battle, vying for the best possible product from a three-digit and a one-digit number. ""Mathman"" Mathman is supposed to eat only symmetrical polygons. ""Math-A-Thon"" Interview with René Descartes and lecture on estimation. ""Mathnet: The Case of the Unkidnapping, Part 2""