How Do You Type Roman Numerals on a Keyboard?

On a conventional keyboard, Roman numerals are entered by holding the Shift key while inputting the lowercase equivalent of a Roman number. Caps Lock can be used in place of holding down the Shift key. Using the Shift key and the lowercase letter “m” to make the Roman numeral “M” is an example of typing a Roman numeral on a keyboard.

Seven symbols comprise Roman numerals: I, V, X, L, C, and M. Each of these symbols represents a distinct numeric value. I, V, X, L, C, and D respectively represent the numbers 1, 5, 10, 50, 100, and 1,000. All other values in the numerical system are derived from this combination of fundamental symbols.

The value of a combination of symbols is determined by addition. For instance, III is three ones, which equals three, while XIII is a 10 followed by three ones, which equals 13. Zero does not have a representation in the Roman numeral system. For instance, the number 208 is written as CCVIII using the symbols for two 100s, a five, and three ones.

The values of the symbols are placed from left to right, beginning with the largest. However, in a few specific circumstances, these can be decreased using subtractive notation to avoid the repetition of four characters in succession.


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