價格：免費
更新日期：2016-04-13
檔案大小：1.3M
目前版本：1.04
版本需求：Android 2.2 以上版本
官方網站：mailto:xeex.eu@gmail.com
The first number can have from 1 to 9 digits.
The second number can have from 1 to 5 digits.
It is possible to set it in setup.
Press yellow box for clear board.
The green box is position of the cursor.
Red boxes show errors.
The same number clear the box.
Examples are stored in history.
They can be deleted in setup.