Roman numerals are a numeral system which was used in Ancient Rome. It uses letters instead of numbers to represent values. You may have seen Roman numerals on clocks and on TV or film credits.

that indicates 10 + 1, which equals 11. In Roman numerals, any number that ends in nine will end in the IX combination. This ...

Super Bowl LIX kicks off on Sunday. What number is that, though? Here's how to use Roman numerals and why the NFL uses them ...

Roman numerals get nine by putting I, which equals 1, before X, which equals 10 ... seem a little complicated at first. Here's a handy chart to help understand which numbers match which roman ...