Quadratic Formula Calculator
Solve a quadratic equation ax² + bx + c = 0.
Result
Results are estimates for general information only and are not professional advice.
Solving quadratics
The quadratic formula, x = (−b ± √(b² − 4ac)) ÷ 2a, solves any equation of the form ax² + bx + c = 0. This calculator returns the roots, whether they are real or complex, along with the discriminant.
Frequently Asked Questions
What is the Quadratic Formula Calculator?
Solve a quadratic equation ax² + bx + c = 0. It runs instantly in your browser and is completely free.
Is the Quadratic Formula Calculator free and does it require signup?
Yes. Every calculator on Calculatis is 100% free with no registration, and the values you enter are never stored.
How accurate is the Quadratic Formula Calculator?
It uses standard, widely-accepted formulas. Results are reliable estimates for general use and are not a substitute for professional advice.