Free Simple Calculation Training App!
[Updated] Added new mode to train calculations involving two arithmetic signs!

There are no redundant functions needed for calculation training.
This app makes it easy to train calculation skills and mental arithmetic speed as playing game.

Please use this app to brain warming up exercises for kids and older adults.
It's also effective for elementary school students.

You can select training difficulty, time and type of training. There are five kind of math calculation training.

+ Addition
+ Subtraction
+ Multiplication
+ Division
+ ALL (Four arithmetic operations)

Training time can be set from 20sec to 90sec. You can change number of questions from 10 to 50.

Answer input type can be choose. Input from high order digit or low order digit. Two numpad layout available.

Train your calculation skills! Everyday training makes you easy to calculate big numbers in your mind.