# Simulation > Simulation utilities.
## Usage ```javascript var simulate = require( '@stdlib/simulate' ); ``` #### simulate Namespace containing simulation utilities. ```javascript var ns = simulate; // returns {...} ``` The namespace contains the following:
- [`iterators`][@stdlib/simulate/iter]: simulation iterators.
## Examples ```javascript var objectKeys = require( '@stdlib/utils/keys' ); var ns = require( '@stdlib/simulate' ); console.log( objectKeys( ns ) ); ```