> For the complete documentation index, see [llms.txt](https://docs.inforiver.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inforiver.com/formula-syntax/text-formatting-functions/upper.md).

# UPPER

The UPPER function converts a text string into uppercase. Node references are also accepted as arguments. It is commonly used to standardize text data for comparison, formatting, or consistency.

### Syntax

```javascript
upper(value:string)
```

### Arguments

value - A text string. Required.

### Example

```javascript
upper('INFORiver')
//Returns “INFORIVER".
```

<figure><img src="/files/0da3BAEJ4fVyj5h2yE32" alt=""><figcaption><p>UPPER function</p></figcaption></figure>

### **Excel equivalent**

[**Upper**](https://support.microsoft.com/en-us/office/upper-function-c11f29b3-d1a3-4537-8df6-04d0049963d6)


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