From xradiograph

StringCanPhone: Number


Numbers are at the root of it all


Roman Numerals - brief introduction, plus Arabic→Roman converter


I believe the common roman usage was pure additive math; the subtractive-positionals didn’t come into vogue until the 1300s or so, long after RNs were out of common usage. some citation at


I note that RNs were still in common European usage at that time, as Arabic numerals were not in vogue until... uh....


Arabic Numerals



See Also




scp maths

Retrieved from
Page last modified on June 23, 2008, at 02:04 PM