價格：免費
更新日期：2017-05-31
檔案大小：1.1M
目前版本：1.0
版本需求：Android 4.0.3 以上版本
官方網站：mailto:gclearninggames@gmail.com
Did you know that you are walking around with a small abacus on the ends of your arms? Your fingers correspond to the beads on an abacus. This app will teach you how to do simple math for numbers from zero to ninety-nine with your fingers.
