價格：免費
更新日期：2017-06-27
檔案大小：279k
目前版本：1.0.0
版本需求：Android 4.1 以上版本
官方網站：mailto:featherfeet5436@gmail.com
A simple, easy-to-use mental math trainer. Supports integer addition, subtraction, multiplication, and division. "Settings" button allows users to set which operations are tested and the range of numbers used. Ideal for reinforcing multiplication tables in young children.
