Personal Trainer: Math

Professor Kageyama's Maths Training: The Hundred Cell Calculation Method is a puzzle video game published by Nintendo and developed by Jupiter for the Nintendo DS handheld video game console. It was first released in Japan, then later in Europe and Australasia. It was released in North America as Personal Trainer: Math on January 12, 2009 and also in South Korea in 2009. The game is part of both the Touch! Generations and Personal Trainer series. The game received mixed reviews, with common criticisms cited for the game's difficulty in recognizing some numbers and for not being very entertaining to play. At GameRankings, it holds an average review score of 65%.