The Mental Arithmetic app is designed as a fun, educational app, suitable for players of all ages who wish to consolidate and revise mathematical operations. It can be used at any time, on the commute to work, at school or in a free moment at home. You can alter the difficulty of the tasks and return to them as and when convenient. The app improves mental arithmetic and would be useful for any user who wants to sharpen their accuracy using four mathematical operations: adding, subtraction, multiplication and division.