"Best Mental Calcul" is one of the best available application in its field, it can be used by everybody, especially students. It's easy and simple to use, it aims to improve, strengthen and develop mental abilities through the four basic mathematical: addition, subtraction, division and multiplication through out many levels of difficulty.
Stages:
1) Choose a language.
2) Type your name.
3) Select your country.
4) Choose an operation.
5) Choose a level.
Then play it until time is over, to get your score and the global ranking of all competitor in this app.
9Apps 4.9
