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sqrt - Perldoc Browser
- #sqrt EXPR
- #sqrt
-
Return the positive square root of EXPR. If EXPR is omitted, uses
$_. Works only for non-negative operands unless you've loaded theMath::Complexmodule.use Math::Complex; print sqrt(-4); # prints 2i
Perldoc Browser is maintained by Dan Book (DBOOK). Please contact him via the GitHub issue tracker or email regarding any issues with the site itself, search, or rendering of documentation.
The Perl documentation is maintained by the Perl 5 Porters in the development of Perl. Please contact them via the Perl issue tracker, the mailing list, or IRC to report any issues with the contents or format of the documentation.