Cubic Root

This function returns the cubic root of the specified argument (radicand) as a result. A real number must be specified as an argument. If the argument is negative, the result is also negative

To calculate, enter a real number, then click the 'Calculate' button.

Definition of the cube root

In contrast to the square root, the radicand here can be a negative number, because \(\displaystyle (-3)^3=(-3)\cdot (-3)\cdot (-3)=-27 \) and \(\displaystyle 3^3=3\cdot 3\cdot 3=27 \).

The sign of root and radicant is always identical.