價格：免費
更新日期：2014-11-10
檔案大小：570k
目前版本：1.3
版本需求：Android 2.2 以上版本
官方網站：mailto:appuamal@gmail.com
How long it takes for you to perform 30 calculations?
Calculations involving only Addition, subtraction, multiplication or division operations with rising difficulty as the challenge progress.
It could be a little demanding to top the list, but you can do it. Challenge yourself!
