價格：免費
檔案大小：11.5 MB
版本需求：需要 iOS 12.1 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Have you some difficulties in mathematics?
Are you as fast as a calculator?
In both cases, this app is made for you.
Learn how to improve your mental calculation in a funny way by playing at this game and if you search for a real challenge why not trying it out?
- Practice mode with 3 difficulty levels
- A time attack mode to beat your own record
- An infinite random mode to test your skills as long as you want
支援平台：iPhone, iPad