ABACUS is Amazing way to learn Math. Its ancient instrument which has been used for over 2500 years. Its the most successful learning tool for everyone who wants to learn Math.
Features
-Easiest way to learn Math.
-You can do Addition,Subtraction,Multiplication and Division in Abacus.
-Suitable for all age group.
-Best Learning method for Math.
-There are 30 Levels in the Game. (Free Version have 10 Levels. Upgrade to Full Version to Unlock all the Levels).
-Fully Tested on iPhone 4,4s,5,5s,6,6 Plus
下载地址：iTunes 或者AAP STORE 下载
