You want to improve your mental calculation skills playfully? Then this app is just right for you! You won't be disturbed by annoying advertising or in-app purchases.
Functions:
- adjustable number range for the arithmetic tasks
- Differently combinable calculation types
- selectable time
- direct display of the correct solution
- extensive configuration options
- different designs
Functions:
- adjustable number range for the arithmetic tasks
- Differently combinable calculation types
- selectable time
- direct display of the correct solution
- extensive configuration options
- different designs
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