Roman numerals

• Roman numerals and Arabic numerals are two different systems for representing the same number
• Roman numerals use letters like I, V, X, L, C, D, M, while Arabic numerals use the digits 0–9
• Roman numerals have a sign-value system where each symbol has a fixed value while Arabic numerals use a place value system
• Roman numerals are still occasionally seen today in clocks, book pages and historical buildings