Play the role of cashier in your own grocery store. Enjoy a realistic supermarket cash register or Cash box. Learn and practice addition and subtraction as well as money handling techniques, this is a great educational app and cash register game that provides a way for young children to learn mathematics 在您自己的雜貨店中扮演收銀員的角色。享受逼真的超市收銀機或 錢箱。學習和練習加法和減法以及金錢處理技巧，這是一個偉大的教育應用程序和收銀機遊戲，為年幼的孩子學習數學提供方式