Quadratic Equation Solver
Solve a quadratic equation ax² + bx + c = 0.
Calculations run in this browser. Values are not submitted to the server.
Result
Formula and assumptions
Uses the quadratic formula. The leading coefficient a must not be zero; complex roots are displayed when the discriminant is negative.
Example values are shown in the input placeholders. Results use browser number precision unless the tool uses exact integer arithmetic. Check units and assumptions before using a result.