Perldoc Browser
5.005_02
Latest
5.40.0
5.38.2
5.38.1
5.38.0
5.36.3
5.36.2
5.36.1
5.36.0
5.34.3
5.34.2
5.34.1
5.34.0
5.32.1
5.32.0
5.30.3
5.30.2
5.30.1
5.30.0
5.28.3
5.28.2
5.28.1
5.28.0
5.26.3
5.26.2
5.26.1
5.26.0
5.24.4
5.24.3
5.24.2
5.24.1
5.24.0
5.22.4
5.22.3
5.22.2
5.22.1
5.22.0
5.20.3
5.20.2
5.20.1
5.20.0
5.18.4
5.18.3
5.18.2
5.18.1
5.18.0
5.16.3
5.16.2
5.16.1
5.16.0
5.14.4
5.14.3
5.14.2
5.14.1
5.14.0
5.12.5
5.12.4
5.12.3
5.12.2
5.12.1
5.12.0
5.10.1
5.10.0
5.8.9
5.8.8
5.8.7
5.8.6
5.8.5
5.8.4
5.8.3
5.8.2
5.8.1
5.8.0
5.6.2
5.6.1
5.6.0
5.005_04
5.005_03
5.005_02
5.005_01
5.005
Dev
blead
5.41.7
5.41.6
5.41.5
5.41.4
5.41.3
5.41.2
5.41.1
5.40.0-RC2
5.40.0-RC1
5.39.10
5.39.9
5.39.8
5.39.7
5.39.6
5.39.5
5.39.4
5.39.3
5.39.2
5.39.1
Documentation
Perl
Intro
Tutorials
FAQs
Reference
Operators
Functions
Variables
Modules
Utilities
Release Notes
Community
History
Expand
functions
/
sqrt
(
source
,
CPAN
)
You are viewing the version of this documentation from Perl 5.005_02.
View the latest version
#
sqrt EXPR
#
sqrt
Return the square root of EXPR. If EXPR is omitted, returns square root of
$_
.