# Cubic equation calculator

Cubic equation has the basic form:Enter the coefficients a, b, c, d of cubic equation in its basic standardized form. The solution of the cubic equation are usually three roots, two of which may be complex. Calculation is done by Cardan formula.

## Calculation:

x

_{1}= 8.94695974511

x

_{2}= -2.73325591833

x

_{3}= 5.78629617322