In this game, players only need to answer some simple math topics, which not only can help players exercise arithmetic ability, but also exercise the brains thinking ability. Because only involves some simple operations, so you can use the mental arithmetic to calculate the answer, may be the beginning of the reaction of the player is not very sensitive, but it is through play and learn continuously to achieve the effect of improving mental calculating speed. As a handheld game, players can train themselves anytime, anywhere.