# Cubic Equation

The solutions of this equation are called roots of the cubic function defined by the left-hand side of the equation. If all of the coefficients a, b, c, and d of the cubic equation are real numbers, then it has at least one real root (this is true for all odd-degree polynomial functions).

## Calculator of Cubic Equation

## Formula of Cubic Equation

ax^3 + bx^2 + cx + d = 0