# lower {#lower}

**Parent topic:**[Functions](../../Functions/category.md)

## Syntax {#syntax}

`lower(X)`

## Arguments {#arguments}

**X** is a CHAR/STRING/SYMBOL scalar, vector, or table.

## Details {#details}

Convert all characters in a string or a list of strings into lower cases.

If *X* is a table, the function is applied only to columns of character types \(CHAR, STRING, or SYMBOL\). Other column types are ignored.

## Examples {#examples}

```
x= `Ibm`C`AapL;
x.lower();
// output: ["ibm","c","aapl"]

lower(`Chloe);
// output: chloe
```

Related function: [upper](../u/upper.md)

