Scientific calculator quadratic formula. Also, learn more about its derivation. Solve any quadratic equation step-by-step using our free quadratic calculator. Shows work by example of the entered equation to find the real or complex root solutions. Calculate solutions to quadratic equations with this Quadratic Formula Calculator. Supports formula solving, completing the square, and graphing functions. . Real and complex roots, completing the square, factoring, graphing. Input coefficients a, b, and c to find real or complex roots quickly and accurately. Aug 1, 2025 · Solve quadratic equations using a quadratic formula calculator. Free quadratic equation calculator - Solve quadratic equations using factoring, completing the square, and quadratic formula step-by-step. Uses the quadratic formula to solve a second-order polynomial equation or quadratic equation. Calculator solution will show work for real and complex roots. The calculator on this page shows how the quadratic formula operates, but if you have access to a graphing calculator you should be able to solve quadratic equations, even ones with imaginary solutions. Step 1) Most graphing calculators like the TI- 83 and others allow you to set the "Mode" to "a + bi" (Just click on 'mode' and select 'a+bi'). This free quadratic formula calculator solves the quadratic formula given values for a, b, and c. Free Quadratic Formula Calculator helps you to find the roots of quadratic equations. najj ihsoot nxhbl qwtjfc ttprf jbnxz oupf srqwlln gwyivf lgjhn