The notations IV and IX can be read as “one less than five” (4) and “one less than ten” (9), although there is a tradition favouring representation of “4” as “IIII” on Roman numeral clocks.[1]
Oh interesting never heard of that before. I still remember getting marked off for that kind of thing when they were teaching us Roman numerals in grade school.
Wikipedia:
Oh interesting never heard of that before. I still remember getting marked off for that kind of thing when they were teaching us Roman numerals in grade school.