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<h1 id="function-help">Function help <a href="#function-help" title="Permalink">#</a></h1>

Retrieve help on a function or data type.
Help files are retrieved from the embedded documentation in math.docs.


<h2 id="syntax">Syntax <a href="#syntax" title="Permalink">#</a></h2>

```js
math.help(search)
```

<h3 id="parameters">Parameters <a href="#parameters" title="Permalink">#</a></h3>

Parameter | Type | Description
--------- | ---- | -----------
`search` | Function &#124; string &#124; Object | A function or function name for which to get help

<h3 id="returns">Returns <a href="#returns" title="Permalink">#</a></h3>

Type | Description
---- | -----------
Help | A help object


<h3 id="throws">Throws <a href="#throws" title="Permalink">#</a></h3>

Type | Description
---- | -----------


<h2 id="examples">Examples <a href="#examples" title="Permalink">#</a></h2>

```js
console.log(math.help('sin').toString())
console.log(math.help(math.add).toString())
console.log(math.help(math.add).toJSON())
```