價格：免費
更新日期：2019-04-01
檔案大小：4.8M
目前版本：1.0
版本需求：Android 4.4 以上版本
官方網站：mailto:AlephApps@gmail.com
It is an application for practicing elementary mathematical operations. Addition, subtraction, multiplication, and division. It is a generator of an unlimited number of examples based on specified parameters.
The application will generate an example, you will calculate the solution in your head, and then verify that you have counted correctly. Count at your own pace, no time limit.
