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Roman Numeral Converter

Convert numbers to and from Roman numerals.

Historical Insights

Roman numerals originated in ancient Rome and were used throughout Europe until the late Middle Ages. The system is based on certain letters which are assigned values as numerals.

The symbols are I, V, X, L, C, D, and M, representing 1, 5, 10, 50, 100, 500, and 1000 respectively.

A key feature of the Roman numeral system is the subtractive principle, where a smaller numeral placed before a larger one indicates subtraction (e.g., IV = 4, IX = 9).