About KoAbacus - 주판, 주산, 암산
KoAbacus 1.0.54 - Korean Abacus & Mental Arithmetic 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...
KoAbacus 1.0.54 - Korean Abacus & Mental Arithmetic
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
Previous Versions
Here you can find the changelog of KoAbacus - 주판, 주산, 암산 since it was posted on our website on 2016-12-26 10:26:14.
The latest version is 1.0 and it was updated on 2026-03-19 05:56:00. See below the changes in each version.
KoAbacus - 주판, 주산, 암산 version 1.0
Updated At: 2025-09-14
Changes: Abacus , Mental Arithmetic
KoAbacus - 주판, 주산, 암산 version 1.0
Updated At: 2020-10-09
Changes: Auto Mental Arithnmetic - [-] [x] [/] button LongClick
KoAbacus - 주판, 주산, 암산 version 1.0
Updated At: 2019-02-07
Changes: Menu Button
KoAbacus - 주판, 주산, 암산 version 1.0
Updated At: 2016-08-11
Changes: click sound menu
Disclaimer
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