Math marathon

Math marathon: improve your capacities of the mental account and sharp your brain. Overcome stages of a mathematical marathon and improve capacities of the verbal account. This is free game with advertising. You can remove the advertising for a small fee; this fee will help support the developer and his cat. Features: - online leaderboards - profiles - progress graphs - online duel Permissions: * Modify/delete contents of SD card - to access the profile file * Unrestricted access to the Internet - for advertising * Read phone status and identify – for a unique serial number that is used for querying the advertisements