# Function format

Format a value of any type into a string.


## Syntax

```js
math.format(value)
math.format(value, options)
math.format(value, precision)
math.format(value, fn)
```

### Parameters

Parameter | Type | Description
--------- | ---- | -----------
`value` | * | Value to be stringified
`options` | Object | Function | Number | Formatting options

### Returns

Type | Description
---- | -----------
String | str The formatted value


## Examples

```js
math.format(6.4);                                        // returns '6.4'
math.format(1240000);                                    // returns '1.24e6'
math.format(1/3);                                        // returns '0.3333333333333333'
math.format(1/3, 3);                                     // returns '0.333'
math.format(21385, 2);                                   // returns '21000'
math.format(12.071, {notation: 'fixed'});                // returns '12'
math.format(2.3,    {notation: 'fixed', precision: 2});  // returns '2.30'
math.format(52.8,   {notation: 'exponential'});          // returns '5.28e+1'
```


## See also

[print](print.md)


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