Cube Root Calculator

The cube root function is a mathematical function that returns the value that, when raised to the power of 3, gives the original input. It is denoted as f(x) = ∛x or f(x) = x^(1/3), where x is the input value and f(x) represents the cube root of x. The cube root function is the inverse of the cube function, and it allows us to find the number that, when cubed, yields a given value.
83=  2\sqrt[3]{8}=\;22
Photo of calculator author Wes NolteCreated by Wes Nolte.Last updated Apr 25, 2024.

The Cube Root Calculator Formula

y=x3y = \sqrt[3]{x}

Definition of the Cube Root Function

The cube root function is the inverse of the cube function. Just as squaring a number undoes the effect of taking its square root, taking the cube root of a number undoes the effect of cubing it.The cube root function is defined for all real numbers, meaning it can be applied to positive, negative, and zero values. However, it is important to note that the cube root of a negative number will yield a negative result, as raising a negative number to an odd power retains its negative sign.The cube root function exhibits several properties. It is an odd function, meaning that f(-x) = -f(x), reflecting the symmetry of the cube root graph about the origin. The cube root function is also continuous and monotonically increasing, meaning that as the input value increases, the corresponding cube root value also increases.The cube root function finds applications in various fields, such as mathematics, engineering, physics, and finance. It helps solve equations involving cubic relationships, analyze volumetric quantities, calculate side lengths of cubic objects, and perform calculations related to cubic equations and polynomials.Understanding the properties and behavior of the cube root function is important for solving equations, manipulating algebraic expressions, interpreting data with cubic relationships, and working with three-dimensional geometric concepts.