Soroban/abacus training web application
This is a fork of https://github.com/mmurak/SorobanTrainer just to add a soft on screen [Shift-Lock] button to allow use of the suspended bead (2:5 mode) on mobile devices without a keyboard and also control for the 5th lower bead (codes F for lower five and T for lower ten.
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F 5 T
To run this web app, just access the link below. https://jccsvq.github.io/SorobanTrainer/index.html
The following is from mmurak's original README
If you're learning division method by Kijoho, you could try these daunting exercise file. ;-) (Just download exercise file from https://mmurak.github.io/SorobanTrainer/Resources/kijoho100.sbk and open with the web app. Don't worry, this file is just a TXT file, so you can browse it using your favourite editor.)
Credit: This web app is based on "Web Soroban" created by Masao Nakagawa (Shiga University). I am grateful to as Prof. Nakagawa, who gave me permission to publish this program.