價格：免費
更新日期：2014-10-10
檔案大小：413k
目前版本：3.1
版本需求：Android 2.2 以上版本
官方網站：http://iicoll.com
Email：olgak@iicoll.com
聯絡地址：3325 N Interstate ave Portland, Oregon, 97227
This application helps you to improve/exercise your math abilities.
Try to make a row from the provided squares in the following way:
it has to be one square between squares with "1" on them,
two squares between squares with "2" on them,
three squares between squares with "3" on them, and so on.
Just simply press the square you would like to add next and the row will grow.
Enjoy!