# Square Root

**Formula:**`√n`

## Introduction to Square Root

The square root of a number *n* is a value *x* such that *x* multiplied by itself equals *n*. In other words, it returns the non-negative square root of *n*.

## Parameter usage:

`n`

= Number to find the square root of

## Example valid values:

`n`

= 16

## Output:

`x`

= The square root of`n`

## Data validation

The number should be non-negative. An error message is returned if a negative number is provided.

## Summary

This calculator calculates the square root of a non-negative number.

Tags: Mathematics, Algebra, Square Root