Nitpicking some more, if you want strict I can give you 84 characters: 
sub p{
my@m=1;for my$p(@_){my@a;for my$i(0..@m){my$j;$a[$i+$j++]+=$_*$m[$i]fo
+r@$p}@m=@a}\@m
}

[download]
And note that I handle 0 or more polynomials correctly. (The empty product in math is "1".)

In reply to Re (tilly) 5: (Golf) Multiply polynomials by tilly
in thread (Golf) Multiply polynomials by tilly

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