# realmax
> Return the maximum finite value capable of being represented by a numeric real type.
## Usage
```javascript
var realmax = require( '@stdlib/utils/real-max' );
```
#### realmax( dtype )
Returns the maximum **finite** value capable of being represented by a numeric **real** type.
```javascript
var m = realmax( 'float64' );
// returns 1.7976931348623157e+308
```
The following numeric **real** types are supported:
- `float64`: double-precision floating-point numbers
- `float32`: single-precision floating-point numbers
- `float16`: half-precision floating-point numbers
## Examples
```javascript
var realmax = require( '@stdlib/utils/real-max' );
var m = realmax( 'float64' );
// returns 1.7976931348623157e+308
m = realmax( 'float32' );
// returns 3.4028234663852886e+38
m = realmax( 'float16' );
// returns 65504.0
```
* * *
## CLI
### Usage
```text
Usage: realmax [options]
Options:
-h, --help Print this message.
-V, --version Print the package version.
```
### Examples
```bash
$ realmax float16
65504.0
```