Calculating from primary school to

This app is used to practice Calculating Addierungsrechnungen, subtractions, divisions and multiplications.
You can choose from three levels of difficulty of the calculations.
With the validation feature of the calculations: false red background, right green background.
A counter of the correct and incorrect results of the calculations is one.
Acoustic signal for right or wrong calculation result, this can be turned off.

Start with + - x: arithmetic and then enter using numeric keys to enter the solution. If you press check auff, you will see whether the invoice was properly resolved.

Calculating for All! Train your brain!

This is the Free version! It appears Advertising at the bottom!
If you want the app without ads, you can purchase them in play goals.

Here is the direct link:

https://play.google.com/store/apps/details?id=appinventor.ai_DavideDellomonaco.Rechnen&hl=de



Thank you for your interest