# math/sqrt Return the square root of a number. ## Syntax

[math/sqrt $n]

## Parameters - `$n` — Number (non-negative for a real result) ## Examples

[math/sqrt 9]    # 3
[math/sqrt 2]    # 1.4142135623730951
[math/sqrt 0]    # 0

## Returns Number — the square root of `$n`. ## See Also `math/pow`, `math/hypot`, `abs`