描述
The abacus is a calculating tool that was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere.
* button function
6,5,4,3,2,1 : - positional number
+ , - , x , / : the four arithmetical operation & new number genernation
9, 8, 7, 6, 5 : bounds
stat & end : result
* Menu Button
- Auto Test : Count, Delay
- Speech : Start, End, +, -, *, /
- Sound : Click Sound
* Start Button LongClick - Abcus Clear
* Menu Button LongClick - Volume Control (4.0 ~)
* [-] [x] [/] button LongClick - Auto Mental Arithnmetic
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- 平台: Android 應用程式 (2) Android 遊戲 (17)
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其他資訊
- 版本: 1.0
- ID: aboard.and.koabacus
- 類別 :
Android 應用程式›教育 - OS:
Android 4.0 - 大小:
14 Mb - 內容分級:
Everyone - Google Play 評分:
2.5(272) - 發佈日期:
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