This application is a simple Japanese abacus
(soroban / そろばん). It has a free mode where you can use the abacus
freely and a challenge mode with 4 operations (addition subtraction
one and two digit multiplication and division) and 3 difficulty
levels (easy medium hard) where you must race against the clock to
perform calculations.
Contains tutorials for:
* basic concepts
* addition
* subtraction
* one-digit multiplication
* two-digit multiplication
* division
Also has a custom challenge mode where you can set the number of questions type of questions and difficulty.
(This is just a hobby project I'm doing for fun. This app is free and doesn't have in-app purchases or ads).
[PERMISSIONS USAGE]
This is a description of how permissions are used in this app.
Vibrate: The application can vibrate the phone to give user feedback. This can be enabled/disabled in the Settings screen.
[PRIVACY]
This application does not collect or transmit any data. Your settings ranking and challenge times are stored locally on your phone only.
You can view the privacy policy here: http://bit.ly/simple-soroban-privacy
Contains tutorials for:
* basic concepts
* addition
* subtraction
* one-digit multiplication
* two-digit multiplication
* division
Also has a custom challenge mode where you can set the number of questions type of questions and difficulty.
(This is just a hobby project I'm doing for fun. This app is free and doesn't have in-app purchases or ads).
[PERMISSIONS USAGE]
This is a description of how permissions are used in this app.
Vibrate: The application can vibrate the phone to give user feedback. This can be enabled/disabled in the Settings screen.
[PRIVACY]
This application does not collect or transmit any data. Your settings ranking and challenge times are stored locally on your phone only.
You can view the privacy policy here: http://bit.ly/simple-soroban-privacy
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