Do Roman numerals stand for something?

What are Roman numerals? Roman numerals are the symbols used in a system of numerical notation based on the ancient Roman system. The symbols are I, V, X, L, C, D, and M, standing respectively for 1, 5, 10, 50, 100, 500, and 1,000.

1. Are Roman numerals useful?
2. What is the usage of Roman numerals?

Are Roman numerals useful?

Roman numerals are used in outlines, book chapter headings, and on clocks, including “Big Ben” in London. Even though I think of Roman numerals as a math topic, it's actually an important part of ancient Roman history. Teaching Roman numerals as part of a larger study on ancient Rome is a great way to combine subjects.

What is the usage of Roman numerals?

What are the uses of Roman numerals? Roman numerals are used for ranking as I, II, III, etc., in writing classroom numbers or expressing the school classes as VI, VII, VIII, IX, X, XI, XII, etc. Often they are used for writing the numbers on clock dials. Children use Roman numerals for recreational purposes.