You must enter your equation in the format ax^2+bx+c=0 Do not enter numbers greater than 23945872394587239458723948579348579238457293485792345872394857923485729348572934857. DO NOT SET a TO 0, THIS ONLY WORKS WITH QUADRATIC EQUATIONS.
All by me. Try solving 2x²+15x+25=0 (Enter 2 for a, 15 for b, and 25 for c) Version 1.1: Added image showing how to input the equation.
