What's New

bug fix

App 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!

iPhone Screenshots

(click to enlarge)

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

App Changes

  • June 04, 2014 Initial release
  • November 20, 2014 New version 1.0.1