Game to improve the arithmetic and the mental calculation of the main mathematical operations: addition, subtraction, multiplication, division, percentage, power and root. The whole family can play, from the smallest who is learning to count to the oldest! There are two game modes: - Training: choose the type of calculation to perform and the level, if you pass it automatically goes to the next level. - Test: starts at the simplest level and progresses until you complete the most complex calculations. You can examine and improve your skills with the main arithmetic expressions: addition, subtraction, multiplication, division, percentage, power and root. The best application for training and improving math ability and kumon exercises of your child.