Equation Solver
Solve linear and quadratic equations or a two-variable linear system, including real and complex quadratic roots.
This tool runs in your browser.
For a 2 × 2 system, enter a·x + b·y = c and d·x + e·y = f.
Your result will appear here.
How to use
- 01Enter the values or expression for your calculation.
- 02Choose the required mode or operation, then calculate.
- 03Review and copy the result generated locally in your browser.
FAQ
Are my calculations uploaded?
No. Inputs and calculations stay in your browser and are not sent to TrueFree servers.
How precise are the results?
Results use browser numeric arithmetic and are displayed with up to 12 significant digits. Very large or very small values can include floating-point rounding.
Can I use the result for professional decisions?
Use the result as a computational aid and verify important academic, engineering, financial, or legal decisions with an appropriate source or professional.