Back Дзевятковая сыстэма зьлічэньня BE-X-OLD Devítková soustava Czech Nonary English Système nonaire French Sistèm nonè HT Sistema numerico nonario Italian 九進法 Japanese 구진법 Korean Novenair Dutch Dziewiątkowy system liczbowy Polish
Nonary numeral system (also called base 9, enneal, Or nonal) is a numeral system has nine digits: 0, 1, 2, 3, 4, 5, 6, 7 and 8.