> For the complete documentation index, see [llms.txt](https://spectrecss.angular-package.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://spectrecss.angular-package.dev/function/var/var-negative.md).

# var-negative()

{% code title="" lineNumbers="true" %}

```scss
@function var-negative($var, $calculate: true) {
  @if $calculate == true {
    @return calc((#{$var}) * -1);
  }
  @return $var;
}
```

{% endcode %}