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- perl references Tutorial
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- perl function abs
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- perl function chdir
- perl function chmod
- perl function chomp
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- perl function chroot
- perl function close
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- perl function connect
- perl function continue
- perl function cos
- perl function crypt
- perl function dbmclose
- perl function dbmopen
- perl function defined
- perl function delete
- perl function die
- perl function do
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- perl function each
- perl function endgrent
- perl function endhostent
- perl function endnetent
- perl function endprotoent
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- perl function eof
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- perl function eval
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- perl function exists
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- perl function exp
- perl function fcntl
- perl function fileno
- perl function flock
- perl function fork
- perl function format
- perl function formline
- perl function getc
- perl function getgrent
- perl function getgrgid
- perl function getgrnam
- perl function gethostbyaddr
- perl function gethostbyname
- perl function gethostent
- perl function getlogin
- perl function getnetbyaddr
- perl function getnetbyname
- perl function getnetent
- perl function getpeername
- perl function getpgrp
- perl function getppid
- perl function getpriority
- perl function getprotobyname
- perl function getprotobynumber
- perl function getprotoent
- perl function getpwent
- perl function getpwnam
- perl function getpwuid
- perl function getservbyname
- perl function getservbyport
- perl function getservent
- perl function getsockname
- perl function getsockopt
- perl function glob
- perl function gmtime
- perl function goto
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- perl function int
- perl function ioctl
- perl function join
- perl function keys
- perl function kill
- perl function last
- perl function lc
- perl function lcfirst
- perl function length
- perl function link
- perl function listen
- perl function local
- perl function localtime
- perl function lock
- perl function log
- perl function lstat
- perl function m
- perl function map
- perl function mkdir
- perl function msgctl
- perl function msgget
- perl function msgrcv
- perl function msgsnd
- perl function my
- perl function next
- perl function no
- perl function oct
- perl function open
- perl function opendir
- perl function ord
- perl function our
- perl function pack
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- perl function pos
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- perl function printf
- perl function prototype
- perl function push
- perl function q
- perl function qq
- perl function qr
- perl function quotemeta
- perl function qw
- perl function qx
- perl function rand
- perl function read
- perl function readdir
- perl function readline
- perl function readlink
- perl function readpipe
- perl function recv
- perl function redo
- perl function ref
- perl function rename
- perl function require
- perl function reset
- perl function return
- perl function reverse
- perl function rewinddir
- perl function rindex
- perl function rmdir
- perl function s
- perl function scalar
- perl function seek
- perl function seekdir
- perl function select
- perl function semctl
- perl function semget
- perl function semop
- perl function send
- perl function setgrent
- perl function sethostent
- perl function setnetent
- perl function setpgrp
- perl function setpriority
- perl function setprotoent
- perl function setpwent
- perl function setservent
- perl function setsockopt
- perl function shift
- perl function shmctl
- perl function shmget
- perl function shmread
- perl function shmwrite
- perl function shutdown
- perl function sin
- perl function sleep
- perl function socket
- perl function socketpair
- perl function sort
- perl function splice
- perl function split
- perl function sprintf
- perl function sqrt
- perl function srand
- perl function stat
- perl function study
- perl function sub
- perl function substr
- perl function symlink
- perl function syscall
- perl function sysopen
- perl function sysread
- perl function sysseek
- perl function system
- perl function syswrite
- perl function tell
- perl function telldir
- perl function tie
- perl function tied
- perl function time
- perl function times
- perl function tr
- perl function truncate
- perl function uc
- perl function ucfirst
- perl function umask
- perl function undef
- perl function unlink
- perl function unpack
- perl function unshift
- perl function untie
- perl function use
- perl function utime
- perl function values
- perl function vec
- perl function wait
- perl function waitpid
- perl function wantarray
- perl function warn
- perl function write
perl function sqrt
The sqrt function in Perl is used to calculate the square root of a number.
Here's an example of using the sqrt function:
my $number = 16; my $square_root = sqrt($number); print $square_root;
Output:
4
In this example, we have a number $number with the value of 16. We use the sqrt function to calculate the square root of the number and assign the result to $square_root.
We then print the value of $square_root using the print function. The output is 4, which is the square root of 16.