Turns math into a game that quizzes 8 different skill levels in addition, subtraction, multiplication, division, fractions, decimals, and percentages. As they see their time improve, kids are continually motivated. Includes portable handheld device with LCD screen that clearly displays problems horizontally and vertically, and give immediate feedback; help key provides additional clues for solving problems; converts to a full-function calculator. Requires 2 AA batteries (not included).