# Euler-Mascheroni Constant
> The [Euler-Mascheroni][eulergamma] constant.
The [Euler-Mascheroni][eulergamma] constant `gamma` (also known as "Euler's constant" or "the Euler constant") is defined as the limit of the sequence
## Usage
```javascript
var GAMMA = require( '@stdlib/constants/float64/eulergamma' );
```
#### GAMMA
The [Euler-Mascheroni][eulergamma] constant.
```javascript
var bool = ( GAMMA === 0.5772156649015329 );
// returns true
```
## Examples
```javascript
var GAMMA = require( '@stdlib/constants/float64/eulergamma' );
console.log( GAMMA );
// => 0.5772156649015329
```
[eulergamma]: http://mathworld.wolfram.com/Euler-MascheroniConstant.html
