Cubic Equation
This calculator is currently not complete. For more information on this topic please feel free to check out the following sites:
- http://www.sosmath.com/algebra/factor/fac11/fac11.html
- http://www.mathwright.com/library/oldcardanox3.html
- http://www-gap.dcs.st-and.ac.uk/~history/HistTopics/Quadratic_etc_equations.html
For equations of the form: Ax3 + Bx2 + Cx + D = 0

