遊び心のある算数トレーナー。子供と大人の両方に！
Fun arithmetic trainer for arithmetic operations like addition, subtraction, multiplication and division. In addition to training your ability to calculate quickly in your head, the game also trains your attention, as the correct answers have to be sought from some of the suggested variants. The number of variants increases with each level, which increases the difficulty of the game.
Have fun and great victories!