<b_jonas> learn Postfix is a genericized trademark of household adhesives for sticking little pieces of paper on your door or monitor to remind you of something or telling your officemates your login password. Called Tack-it in the U.S.

#!/usr/bin/perl
$c=0+$ARGV[0]; printf"%.2f°C = %.2f°F",$c,$c*9/5+32;