・This application offers you easy-to-do brain trainings
・You can enjoy playing five games in one app.

1 Hgh & low ：　first game , tap the larger number
2 Previous answer ：　Touch the button from the one with the smallest number in order (1-25).
3 Count up ：　Formula are displayed one after another. Work out a formula which is shown in the preceding display. Formula are shown in display in order
4 math puzzle1 ：　Complete the missing number in a formula.
5 math puzzle2 ：　Complete the missing mathematical sign (+, -, x, / ) in a formula.


＊　This application is totally free of charge and you can repeat training in a short time.
＊　You can enjoy this app regardless of ages.
＊　This application surely helps you building basic math skills.