I&#x27;m pretty sure Roman Numerals arithmetic algorithms weren&#x27;t lost, I looking for the source but in the meanwhile here&#x27;s some of them: <a href="http:&#x2F;&#x2F;turner.faculty.swau.edu&#x2F;mathematics&#x2F;materialslibrary&#x2F;roman&#x2F;" rel="nofollow">http:&#x2F;&#x2F;turner.faculty.swau.edu&#x2F;mathematics&#x2F;materialslibrary&#x2F;...</a>