價格：免費
更新日期：2016-09-09
檔案大小：22M
目前版本：1.0.2
版本需求：Android 2.3 以上版本
官方網站：mailto:apps@dominikwitka.com
Train your mental math skills with this application!
You can choose between all 4 basic arithmetic operations and mix them like you want.
Also you can give yourself a time limit and adapt the difficulty to your math skills.
All numbers are randomly generated which gives you the maximum amount of possible calculations.