Square Root Notation

Square RootNotation

The radical symbol by itself is used to denote taking the square root of a number.

Examples

Equivalent Notation

Taking the square root of a number is the same as raising the number to the one-half power.

Radical Notation
Radical

A radical is used to represent fractional exponents. By itself it is used to represent the square root of an expression, but it also is used to represent higher roots as well.

Exponent Notation
Exponent

In mathematics superscript text is used to indicate the exponent of some number.