CALCULATORS / FREE ONLINE TOOL
Quadratic Equation Solver
Solve real or complex roots of ax² + bx + c = 0.
Free to use On-device processing No account needed
Your workspace Runs privately in your browser
Your result
A little guidance.
Solve a quadratic equation using scaled coefficients and a numerically stable real-root formula. Complex conjugate roots and the linear a = 0 case are handled. Values use floating-point arithmetic, with coefficient magnitudes up to 10¹⁰⁰.
How it works
- Enter your values, or use the example to get started.
- Select “Calculate” to process your input in your browser.
- Review the result, then copy or download it when available.
Good to know.
Is my input sent to a server?
No. This tool runs in your browser. KILIZU does not upload or store the values or files you enter here.