Quadratic Formula FREE

Quadratic formula helps the user to learn in a more relaxed, without the pressure of a classroom and still encouraging to strive more to get a better grade on each attempt.

features:

* A clear and interactive Layout ;
* Several formulas to solve;
* Free mode that allows the player to enter a 2nd degree equation and get the answer;
* Grade to each formulas solved and General Grade;
* Count attempts in each equation;