Big Addition: Long Addition

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Big Addition can help you improve your problem solving speed and accuracy for multi digit addition problems.

If you need a refresher, there is a step-by-step problem solver in the practice area that can read-out the solution to you a step at a time. (Text-to-speech support required.)

Larger, more difficult, problems are unlocked by solving smaller/easier problems.

You can analyze your problem areas with both numerical and color-coded display of your results.

Stay motivated by setting and beating your fastest times.

Find your best rhythm by turning off/on any combination of verbal, sound, and vibration feedback.

This is a free-to-download, ad-supported app.

Thanks for any support.


MATH Domain Development
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(1.0.9)
+ Updated target API to Android 15 (SDK 35): Added support for Predictive Back Gesture.
+ Dialog shown after an error occurs when setting up Verbal Feedback now gives the options to Retry Setup, Keep Off, or Use Sounds.
+ Addressed several deprecations regarding sound and verbal feedback.
+ Bug fixes.