About & Pics

Description

There are a correct answer, the wrong answer.
Answer is correct ○
× as long as wrong
If you are confident study brain training like games, math for children, in mental arithmetic!

 Free in iOS App Store

Screenshots

Challenge! Speed   calculation - Brain Training screenshot 1Challenge! Speed   calculation - Brain Training screenshot 2Challenge! Speed   calculation - Brain Training screenshot 3

Version History

Launched Jun 03, 2014 (almost 5 years ago).
Nov 19
2014
(Current)
Version 1.0.1

bug fix

Jun 04
2014
Version 1.0

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