價格：免費
檔案大小：23.4 MB
版本需求：需要 iOS 6.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Train your brain with this really nice app.
Additions, multiplications, square roots, playing with pi, you'll do all of those if you choose to go for it.
Enjoy and get smarter !
支援平台：iPhone