MentalCalculation Minus N app for iPhone and iPad

4.2 ( 222 ratings )

Games Board Puzzle
Developer: tatsuya itoh

Free

Current version: 1.1, last update: 7 years ago
First release : 14 Dec 2012
App size: 1.8 Mb

Lets strengthen the brain by the mental calculation.
The level is nine.
Aim at the best score in the world.