Solving cubic equation online calculator

Online calculator which helps you in solving the cubic equation.
Students often have to solve a cubic equation, a cubic equation is a third-order equation of this form (ax3 + bx2 + cx + d = 0), where the value "a" cannot be equal to zero.
In these equations the value of "x" is called a root of the cubic equation.
And usually the cubic equation have three roots, which are complex or real.

a =
b =
c =
d =