> For the complete documentation index, see [llms.txt](https://docs.cascade.io/cascade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cascade.io/cascade/functions-and-expressions/functions/logical/isdecimal.md).

# ISDECIMAL

ISDECIMAL( `series` )

Returns a boolean sereis indicating whether input value(s) are decimals.

### Arguments

| Argument   | Description                                  |
| ---------- | -------------------------------------------- |
| `Value(s)` | Value or series of which to assess data type |

### Output

Outputs true if value is a decimal and false if value is not.

### Example

{% embed url="<https://datawrapper.dwcdn.net/zrMjp/1/>" %}