A symbol placed before one of greater value subtracts its value; for example, IV = 4 and XL =
System of representing numbers devised by the ancient Romans. The numbers are formed by combinations of the symbols I, V, X, L, C, D, and M, standing, respectively, for 1, 5, 10, 50, 100, 500, and 1,000 in the Hindu-Arabic numeral system. A symbol placed after another of equal or greater value adds its value; for example, II = 2 and LX =
Roman numerals are still sometimes used today. Any of the numerical symbols formed with the Roman letters I, V, X, L, C, D, and M, representing respectively the numbers 1, 5, 10, 50, 100, 500, and 1000, used by the ancient Romans and still used today in certain formal contexts. a number in a system first used in ancient Rome that uses combinations of the letters I, V, X, L, C, D, and M to represent numbers Arabic numeral