What's New

GameCenter introduction.

App Description

This application program is an application program that single-mindedly solves the calculation.
They are 20 questions, and 100 questions.
Or, it repeats until failing.
It might be a thing to bring small happiness to your calculation life.

The problem set is only subtraction.

iPhone Screenshots

(click to enlarge)

calctraining-sub- screenshot 1 calctraining-sub- screenshot 2

App Changes

  • July 13, 2011 New version 1.1
  • August 02, 2011 Price decrease: $0.99 -> FREE!