Programming Fundamentals/Variables/Perl
variables.pl
edit# This program converts a Fahrenheit temperature to Celsius.
#
# References:
# https://www.mathsisfun.com/temperature-conversion.html
# https://en.wikibooks.org/wiki/Perl_Programming
print "Enter Fahrenheit temperature: ";
$fahrenheit = <STDIN>;
chomp($fahrenheit);
$celsius = ($fahrenheit - 32) * 5 / 9;
print "$fahrenheit° Fahrenheit is $celsius° Celsius\n";
Try It
editCopy and paste the code above into one of the following free online development environments or use your own Perl compiler / interpreter / IDE.