價格：免費
更新日期：2020-02-27
檔案大小：11.9 MB
目前版本：4.0
版本需求：系統需求：iOS 11.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
Check your mental math ability with global ranking!
HOW TO PLAY:
・Choose a mode and touch the start button.
・Solve as many problems as possible within 30 seconds.
MODE:
・3 levels: Easy, Normal, Hard.
・4 operations: +, -, ×, ÷.
RANKING:
・Realize an improvement of your mental math ability with self ranking.
・Check your mental math ability with global ranking.
支援平台：iPhone, iPad