價格：免費
更新日期：2020-06-04
檔案大小：1.2 MB
目前版本：1.01
版本需求：系統需求：iOS 13.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
You do not want to be afraid of tasks without a calculator anymore.
Improve your mental arithmetic skills in all important basic operations
Try yourself on easy to very difficult tasks and become a human calculator.
支援平台：iPhone, iPad