[discrete]
[[esql-is_finite]]
=== `IS_FINITE`

*Syntax*

[.text-center]
image::esql/functions/signature/is_finite.svg[Embedded,opts=inline]

*Parameters*

`n`::
Numeric expression. If `null`, the function returns `null`.

*Description*

Returns a boolean that indicates whether its input is a finite number.

*Supported types*

include::types/is_finite.asciidoc[]

*Example*

[source,esql]
----
ROW d = 1.0
| EVAL s = IS_FINITE(d/0)
----