Professor Kageyama's Rekentraining

Professor Kageyama's Calculus Training for Nintendo DS is the ideal game to keep your head sharp wherever you are. With short, addictive computing sessions, you train your speed and accuracy every day, from simple sums to more challenging exercises. Thanks to the clear explanation and the convenient DS touchscreen, you can easily step in, while your progress continues to motivate you to get just that bit better. Perfect for players who like to put their brains to work alongside gaming, and a nice addition to every DS collection.