Radical Symbol

Symbol Format Data
Code Point
U+221A
TeX
\sqrt{}
SVG
Symbol Table

Usage

The radical symbol is used in math to represent taking the square root of an expression. Typically the radical symbol is used in an expression like this:

In plain language, this means take the square root of the number four. The radical symbol is also used to represent taking the -th root of a number when a number is place above the start of the symbol as shown below:

In plain language, this means take the -th root of the number . For example, the cube root of the number is represented by the following expression.

Links

Square Root

Returns the square root of the provided expression.

Radical

The radical operator returns the n-th root of the provided expression. The radical operator is an alternative way of writing a fractional exponent.