Definition. This function converts an Arabic number into a Roman numeral.
Background. Roman numerals consist of basic numerals and auxiliary numerals. The auxiliary numerals were introduced later because numbers written in basic numerals were sometimes too long (see Table 16-5).
The following rules for Roman numerals apply:
Roman numerals remained in common use in central Europe until about the 16th century and were continuously adjusted. Arabic numbers became prevalent only at the onset of the letterpress. The Romans didn’t use the subtractions just listed. Even today, the number 4 on clock faces labeled with Roman numerals is often written in the original style: IIII.
In addition to the classic Roman numeral style, shorter styles are possible.
1 List of references | I List of references |
2 Table of Contents | II Table of Contents |
3 Introduction | III Introduction |