下载 APKPure App
可在安卓获取Mental Math的历史版本
学习心算的一些秘密，并成为很好用的数字！
Become good with numbers. Practice makes perfect! Let's enjoy mental math and train your brain!
Features
- Times Table Training(1~99!)
- Useful tips to simplify difficult math problems and exercises to use them.
- Four arithmetic operations training in three difficulty levels
- "Hide Question" mode to train to hold numbers in memory for mental calculation.
- Flash mental calculation
Please let me know any bugs and suggestions, and your secrets of mental math!