<boily> le/rn \xc3\xb6rjan/\xc3\x96rjan is the di\xc3\xa6resed twin. He will punctuate your v\xc3\xb6\xe1\xba\x85\xc3\xabls, and maybe a few other unsuspecting letters.

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