價格：免費
更新日期：2015-02-02
檔案大小：87k
目前版本：1.1.4
版本需求：Android 3.0 以上版本
官方網站：http://www.mathetrainer.ch
Email：info@mathetrainer.ch
聯絡地址：隱私權政策
Practice makes perfect. Even for mental calculation.
This application provides you with an infinite number of exercises based on your chosen difficulty level and with respect to the operations you want to practice.
