| any notation for the representation of numerals or numbers. |
| number system n. Any system of naming or representing numbers, as the decimal system or the binary system. Also called numeral system. |
| numeral system n. See number system. |
numeral system
any of various sets of symbols and the rules for using them to represent numbers, which are used to express how many objects are in a given set. Thus the idea of "oneness" can be represented by the Roman numeral I, by the Greek letter alpha alpha (the first letter) used as a numeral, by the Hebrew letter aleph (the first letter) used as a numeral, or by the modern numeral 1, which is Hindu-Arabic in origin
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