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KoAbacus - Mental Arithmetic 1.0

1.1 MB / 100K+ Downloads / Rating 3.8 - 269 reviews


See previous versions

KoAbacus - Mental Arithmetic, developed and published by aboard, has released its latest version, 1.0, on 2023-12-08. This app falls under the Education category on the Google Play Store and has achieved over 100000 installs. It currently holds an overall rating of 3.8, based on 269 reviews.

KoAbacus - Mental Arithmetic APK available on this page is compatible with all Android devices that meet the required specifications (Android 4.0+). It can also be installed on PC and Mac using an Android emulator such as Bluestacks, LDPlayer, and others.

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App Screenshot

App Screenshot

App Details

Package name: aboard.and.koabacus

Updated: 1 year ago

Developer Name: aboard

Category: Education

New features: Show more

App Permissions: Show more

Installation Instructions

This article outlines two straightforward methods for installing KoAbacus - Mental Arithmetic on PC Windows and Mac.

Using BlueStacks

  1. Download the APK/XAPK file from this page.
  2. Install BlueStacks by visiting http://bluestacks.com.
  3. Open the APK/XAPK file by double-clicking it. This action will launch BlueStacks and begin the application's installation. If the APK file does not automatically open with BlueStacks, right-click on it and select 'Open with...', then navigate to BlueStacks. Alternatively, you can drag-and-drop the APK file onto the BlueStacks home screen.
  4. Wait a few seconds for the installation to complete. Once done, the installed app will appear on the BlueStacks home screen. Click its icon to start using the application.

Using LDPlayer

  1. Download and install LDPlayer from https://www.ldplayer.net.
  2. Drag the APK/XAPK file directly into LDPlayer.

If you have any questions, please don't hesitate to contact us.

App Rating

3.8
Total 269 reviews

Reviews

4 ★, on 2020-10-04
Great for addition. Continuous subtraction srarts from zero, so it's rather useless.

1 ★, on 2020-03-08
Stupid app

5 ★, on 2020-03-14
So good

1 ★, on 2019-07-28
display issue

5 ★, on 2019-02-13
good

5 ★, on 2019-04-18
better

Previous Versions

KoAbacus - Mental Arithmetic 1.0
2023-12-08 / 1.1 MB / Android 4.0+

About this app

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

New features

Abacus , Mental Arithmetic

App Permissions

Allows applications to open network sockets.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows applications to access information about networks.
Allows applications to access information about Wi-Fi networks.
This constant was deprecated in API level 21. No longer enforced.