ToolHub

Math Tools

Quadratic Equation Solver

Solve any quadratic equation ax² + bx + c = 0 with the quadratic formula, showing the discriminant, roots (real or complex), vertex, and step-by-step working.

Function Grapher

Plot linear and quadratic equations on an interactive grid. Adjust the coefficients and see the line or parabola, with slope, intercepts, vertex, and roots.