4Operations - Brain training puzzle game Download from App Store
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4Operations - Brain training puzzle game app for iPhone and iPad


4.0 ( 7520 ratings )
Games Education Educational Puzzle
Developer: Masahiko Inoue
Free
Current version: 1.0, last update: 7 years ago
First release : 16 Mar 2016
App size: 48.93 Mb

This is a very simple rule, and easy operation brain training puzzle game.
Use only four arithmetic operations.

For brain training.
For calculation training.
For intellectual training.

- How to play -

1. All the numbers of the box to the same value.
2. High speed battle in 30 seconds.
3. Operation in the flick.
Up +1, Down -1, Left /2, Right x2.
4. The value can be changed in the 1 to 99.