> For the complete documentation index, see [llms.txt](https://docs.tabula.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tabula.io/data-transformation/formulas/string-functions/upper.md).

# Upper

Returns an input string value with all characters converted to upper case

```mathematica
Upper("use uppercase") → "USE UPPERCASE"
Upper("Use Upper Function") → "USE UPPER FUNCTION"
```

#### Inputs

`Upper(string)`

* `string` - A text value