http://qs1969.pair.com?node_id=652646


in reply to Re: Exponential Function Programming
in thread Exponential Function Programming

sub my_factorial {
    ...
    if($n == 0) {
        $r=0;
    }
    return $r;
}

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Your function says that 0 factorial is 0. But it's not; it's 1.

--
Mark Dominus
Perl Paraphernalia

In Section Seekers of Perl Wisdom