# Elixir: Module: Import Math Module

## import math module

`import :math, only: [sqrt: 1]`

imports only the `sqrt`

function from the `math`

module. Followed by `sqrt(2 * 9.8 * distance)`

which then uses the `sqrt`

function.

`import :math, only: [sqrt: 1]`

imports only the `sqrt`

function from the `math`

module. Followed by `sqrt(2 * 9.8 * distance)`

which then uses the `sqrt`

function.