ANSWER: The Romans did their calculations with an abacus, using pebbles as counters. The people that performed the ...

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 ...

Super Bowl week is back, which means Roman numerals are once again at the forefront of the public consciousness. As one of the only institutions that still uses Roman numerals, the NFL's choice ...