> > Businesses continued to use Roman numerals for several
> centuries (because
> > addition and subtraction is easier in Roman numerals,
>
> I would be fascinated to see some sort of evidence that addition and
> subtraction is easier in Roman numerals than in Hindu-Arabic ("European")
> numerals.
Addition and subtraction definitely isn't easier in Roman numerals that in
Hindu-Arabic numerals. As I understood Edward's words, addition and subtraction is
easier *than multiplication and division* in Roman numerals.
Charlie Ruland