Roman numerals are, by modern standards, a bit unusual. By virtue of using designations for both 5 and 10, and not scaling well to higher numbers, they’ve fallen out of favor outside of some specific ...

Around the thirteenth century CE, European society was in the midst between transitioning from Roman numerals to the Arabic numerals that we use today. Less remembered are the Cistercian numerals, ...

Do you want to win a bet? Ask someone to draw the face of an old grandfather clock with the Roman numerals placed correctly. Most of the numbers are easy — either IIII or IV is correct as the Roman ...