What is the Quadratic Solver tool?

Find roots of a quadratic equation. This free online tool is available at NumbersChecker with no login required.

Is the Quadratic Solver tool free?

Yes, the Quadratic Solver tool is completely free to use at NumbersChecker. No account or installation is needed — results are instant.

How do I use the Quadratic Solver tool?

Enter your input into the form at https://numberschecker.com/tool/quadratic, click Run, and the result appears instantly. Click any result value to copy it to your clipboard.

Is there an API for the Quadratic Solver tool?

Yes. Send a POST request to https://numberschecker.com/api/quadratic with your input as a JSON body. The API is free and requires no authentication.

Math ax²+bx+crootsquadratic

Quadratic Solver

Find roots of a quadratic equation.

About the Quadratic Solver Tool

Find roots of a quadratic equation. This free online tool runs entirely in your browser — no login, no installation, and no data is stored.

This tool is part of the Math category on NumbersChecker. Browse all Math tools or explore all 139 tools.

Related: ax²+bx+c · roots · quadratic

API usage

POST /api/quadratic
Content-Type: application/json

{
  "text": "your input here"
}