Try the head computer 2.0 now, a new version with improved and more features! To do this, click on Ti-Zero.Com so that you can see the new version.
Of course you can also use this version, which is specially designed for older smartphones.
Mental arithmetic made easy. Easily train the four basic calculation types with this app.
You can set which type of calculation you want to use and the number range is infinitely adjustable, so you can train more specifically. You can also set how many bills you want to do. This way you can better compare your results.
Without advertisement!
Of course you can also use this version, which is specially designed for older smartphones.
Mental arithmetic made easy. Easily train the four basic calculation types with this app.
You can set which type of calculation you want to use and the number range is infinitely adjustable, so you can train more specifically. You can also set how many bills you want to do. This way you can better compare your results.
Without advertisement!
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