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world's calculation app for iPhone and iPad


4.6 ( 496 ratings )
Entertainment Education
Developer: infinitysoftware Co.,Ltd
Free
Current version: 1.1, last update: 7 years ago
First release : 29 Apr 2014
App size: 8.4 Mb

The number of correct answers of a simple math problem
Want to compete in the world?

Rule is simple!
Them to be the correct answer
□ I just put a computer issue that apply within
Number that is answered correctly within the time limit is a record of your

You can challenge the world to use the Game Center

Because it is a simple calculation, it is also recommended, such as brain teasers