Equations Calculators
5 free equations calculators in the Mathematics category. Each tool gives instant results and explains the formula so you can follow the calculation.
Cubic Equation Solver
Solve ax^3 + bx^2 + cx + d = 0 numerically
Open calculator โEquation Solver
x = -b / a
Open calculator โLinear Equation Calculator
x = -b / a
Open calculator โQuadratic Equation Calculator
x = (-b +/- sqrt(b^2 - 4ac)) / 2a
Open calculator โSimultaneous Equations Solver
Solve a1x+b1y=c1 and a2x+b2y=c2 by Cramer's rule
Open calculator โAbout equations calculations
This page groups the equations tools within Mathematics. Pick a calculator above to enter your values and get an instant result, complete with the formula, a step-by-step breakdown and a worked example. All calculators are mobile-friendly, accessible and free.
What are equations calculators used for?
These tools help you with equations calculations in the mathematics category, giving instant results with the formula and a worked example on each page.
Are they free and private?
Yes. They are free, require no sign-up, and run entirely in your browser so your inputs stay on your device.