noun
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.
コンピュータは二進法という記数法を使っている。
Computers use a numeration system called binary.
古代ローマの記数法はローマ数字として知られている。
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.