Math Function Mania - Version 2.6 A fun multimedia game for grades 7-12 that teaches functions, algebra and problem solving skills. You must first detect which function is being used, and then solve it by clicking on the correct answer. There are 20 levels of play, with a virtually unlimited number of problems. Hints are available to help you learn; there are also over 20 practice rounds. A head-to-head combat option is included.