Abacus Lesson1.1.5 - App Store
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Publisher Description
356+735+195, 23x89, 5626÷58, Can you solve each in 5 sec by mental arithmetic?
The goal of this app is to learn abacus and solve these problems in mental arithmetic within 5 seconds.
All lessons of the abacus lesson series, which have been highly evaluated all over the world, are recorded. The lessons have been reworked in a more polite and easy-to-understand.
In addition, we have added unique training methods such as training focusing on finger movements and mental arithmetic training to improve mental arithmetic in order to learn abacus more efficiently.
And various improvements have been made.
- Either vertical screen or horizontal screen can be selected.
- The position and size of the abacus and window can be freely laid out.
- No ads.
- Added sound variations. Volume control can also be finely set.
- The color of the abacus can be set freely.
- Earn a trophy by achieving the goal.
- Smoother operability by optimizing the app.
◆Support web page
https://hirokuma.blog/?p=4427
Version History Updated IAP Library.
Fixed an issue that fail to verify receipts signed with sha-256 1.1.5 09/10/2023 Fixed minor bugs. 1.1.4 09/09/2023 Fixed minor bugs.
Improved operability of the abacus. 1.0.8 01/17/2022 Improved operability of the abacus 1.0.7 01/17/2022 Fixed Typo in setting menu. 1.0.6 01/04/2022 Added a vibration feature that works with the movement of the abacus
It can be enabled in the settings menu. 1.0.5 12/29/2021 Fixed minor bugs.
Fixed typos. 1.0.4 12/22/2021 Fixed an issue that beads would make a sound with just a touch. 1.0.3 12/21/2021 Fixed minor bugs. 1.0.2 12/20/2021 1.0 12/19/2021
About Abacus Lesson
The company that develops Abacus Lesson is Hirokazu Komatsu. The latest version released by its developer is 1.1.5.
To install Abacus Lesson on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-15 and was downloaded 0 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 Abacus Lesson as malware if the download link is broken.
How to install Abacus Lesson on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Abacus Lesson is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Abacus Lesson is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.1.5
posted on 2026-10-15
Version History Updated IAP Library.
Fixed an issue that fail to verify receipts signed with sha-256 1.1.5 09/10/2023 Fixed minor bugs. 1.1.4 09/09/2023 Fixed minor bugs.
Improved operability of the abacus. 1.0.8 01/17/2022 Improved operability of the abacus 1.0.7 01/17/2022 Fixed Typo in setting menu. 1.0.6 01/04/2022 Added a vibration feature that works with the movement of the abacus
It can be enabled in the settings menu. 1.0.5 12/29/2021 Fixed minor bugs.
Fixed typos. 1.0.4 12/22/2021 Fixed an issue that beads would make a sound with just a touch. 1.0.3 12/21/2021 Fixed minor bugs. 1.0.2 12/20/2021 1.0 12/19/2021
version 1.1.5
posted on 2023-09-10
Updated IAP Library.
Fixed an issue that fail to verify receipts signed with sha-256
version 1.1.5
posted on 2023-09-10
Sep 10, 2023
Version 1.1.5
Updated IAP Library.
Fixed an issue that fail to verify receipts signed with sha-256
version 1.1.4
posted on 2023-09-09
Sep 9, 2023
Version 1.1.4
Fixed minor bugs.
version 1.0.8
posted on 2022-01-17
Jan 17, 2022
Version 1.0.8
Fixed minor bugs.
Improved operability of the abacus.
Disclaimer
Official App Store Link
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