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# Special Functions

> Standard library special math functions.

<section class="usage">

## Usage

```javascript
var ns = require( '@stdlib/math/special' );
```

#### ns

Standard library special math functions.

```javascript
var o = ns;
// returns {...}
```

### Exponential & Logarithmic Functions

<!-- <toc pattern="+(*log*|ln|exp*|*pow*)" ignore="logit" > -->

<!-- </toc> -->

### Trigonometric Functions

<!-- <toc pattern="*+(sin|cos|tan)*" ignore="+(kernel-sin|kernel-cos|kernel-tan)"> -->

<!-- </toc> -->

### Bessel Functions

<!-- <toc pattern="*bessel*" > -->

<!-- </toc> -->

### Absolute Value and Rounding Functions

<!-- <toc pattern="*+(abs|ceil|floor|clamp|trunc|round|signum)*" > -->

<!-- </toc> -->

### Other Special Functions

<!-- <toc ignore="*bessel*" ignore="*+(sin|cos|tan)*" ignore="+(*log*|ln|exp*|*pow*)" ignore="*+(abs|ceil|floor|clamp|trunc|round|signum)*" ignore="+(gamma-delta-ratio|gamma-lanczos-sum*|rempio2|kernel-*)" > -->

<!-- </toc> -->

</section>

<!-- /.usage -->

<section class="examples">

## Examples

<!-- TODO: better examples -->

<!-- eslint no-undef: "error" -->

```javascript
var objectKeys = require( '@stdlib/utils/keys' );
var ns = require( '@stdlib/math/special' );

console.log( objectKeys( ns ) );
```

</section>

<!-- /.examples -->

<section class="links">

<!-- <toc-links> -->

<!-- </toc-links> -->

</section>

<!-- /.links -->
