# Cubic Equation

Cubic Equation Solver : `ax^3+bx^2+cx+d=0`.

Coefficients may be real or complex numbers.

Coefficients may be real or complex numbers.

## How to use this calculator ?

This calculator is a cubic equation (ax^{3}+bx

^{2}+cx+d=0) solver.

It calculates the exact solutions when they exist and also gives a numerical approximation of them.

### Coefficients input

Here are some hints to help you enter the coefficients of the equation.- Accepted inputs are,
- integers, example: 5, -7
- fractions, example: 1/3 or -2/9
- decimal values, example: 3.9 or -9.65
- constants, example: pi or e
- common functions, for example: sin(pi/5)
- square root operator, example : input sqrt(3) or 3^0.5 for `sqrt(3)`
- complex numbers, example : 1+i ou -i

- To enter a product of two factors, use the * operator. For example: enter 2*pi and not 2pi.

## See also

Quadratic Equation Solver

Equation and Inequation Calculators

Mathematics Calculators