• lnxtx
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    5 months ago

    Wikipedia:

    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]

    • trebuchet@lemmy.ml
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      5 months ago

      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.