KoAbacus - Mental Arithmetic 1.0
Free Version
Publisher Description
KoAbacus - Mental Arithmetic - Ko Abacus , Korean Abacus & Mental Arithmetic
KoAbacus 1.0.53 - 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
About KoAbacus - Mental Arithmetic
KoAbacus - Mental Arithmetic is a free app for Android published in the Teaching & Training Tools list of apps, part of Education.
The company that develops KoAbacus - Mental Arithmetic is aboard. The latest version released by its developer is 1.0.
To install KoAbacus - Mental Arithmetic on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2023-10-19 and was downloaded 1 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the KoAbacus - Mental Arithmetic as malware as malware if the download link to aboard.and.koabacus is broken.
How to install KoAbacus - Mental Arithmetic on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the KoAbacus - Mental Arithmetic is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by KoAbacus - Mental Arithmetic will be shown. Click on Accept to continue the process.
- KoAbacus - Mental Arithmetic will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
