> You could have a > measurement system using, say, base 60 ("better" because it has more factors > :-) (2,3,4,5,6,10,12,20,30)) Hmm - everyone was kind enough to ignore the fact that I didn't consider 15 to be a factor of 60 :-) RM -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics