On Jan 9, 2008 11:50 PM, Karl Newman <[EMAIL PROTECTED]> wrote: > I understand why numbers are used instead of names. My question is why are > there no odd numbers listed? It just looked strange. >
Future-proofing. It leaves gaps so that if new units are invented that fit between existing ones you can make them be '3' or '5', etc, without having to renumber everything else. -- Abi
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