# Natural Logarithm of 2 > [Natural logarithm][@stdlib/math/base/special/ln] of `2`.

## Usage ```javascript var LN2 = require( '@stdlib/constants/float64/ln-two' ); ``` #### LN2 [Natural logarithm][@stdlib/math/base/special/ln] of `2`. ```javascript var bool = ( LN2 === 0.6931471805599453 ); // returns true ```

## Examples ```javascript var LN2 = require( '@stdlib/constants/float64/ln-two' ); console.log( LN2 ); // => 0.6931471805599453 ```

[@stdlib/math/base/special/ln]: https://www.npmjs.com/package/@stdlib/math-base-special-ln