Or are you just looking for a fun way to train basic, everyday mathematics? If any of the above had you nodding your head in agreement then Professor Kageyama’s Maths Training: The Hundred Cell Calculation Method, in shops today for Nintendo DS, might be just the ticket.

The Kageyama Method is used across Japan to help students learn fundamental arithmetic calculations. The software bearing his name challenges you to be both quick and accurate, helping you hone your maths skills through daily repetition.-Nintendo