價格：免費
更新日期：2014-10-31
檔案大小：1.3M
目前版本：0.8
版本需求：Android 4.0.3 以上版本
官方網站：http://futurelabs.ru
Email：ab@futurelabs.ru
聯絡地址：Jogailos St. 4, Vilnius 10100
The awesome perks:
- No ads. No in-app purchases. Just play!
- An easy gameplay. Download and play right away.
- An offline access. No matter whether you are up in the air on underground, you can do your math anytime you wish.
