numeration system; number representation system
Technical term used in mathematics and computing for the method of representing numbers, such as decimal, binary, or Roman numerals.
Computers use a numeration system called binary.
The numeration system of ancient Rome is known as Roman numerals.
Refers to number words (e.g., 'one', 'two') rather than the system of representing numbers.
Compound of 記 (ki, 'record') + 数 (sū, 'number') + 法 (hō, 'method'). A straightforward modern technical term.