elasticsearch/docs/reference/esql/functions/sqrt.asciidoc

[[esql-sqrt]]
=== `SQRT`
Returns the square root of a number.  The input can be any numeric value, the return value
is always a double.

Square roots of negative numbers are NaN. Square roots of infinites are infinite.

[source.merge.styled,esql]
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include::{esql-specs}/math.csv-spec[tag=sqrt]
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[%header.monospaced.styled,format=dsv,separator=|]
|===
include::{esql-specs}/math.csv-spec[tag=sqrt-result]
|===