Each I is a finger, V is the thumb and index. X is crossing your index and middle finger.

  • Rhaedas
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    173 months ago

    IV and IX don’t make sense when it could be done more intuitively by IIII and VIIII.

      • Rhaedas
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        143 months ago

        Sure, but OP is talking about fingers as representation, not markings. Your point is exactly why they did it in writing.

      • Rhaedas
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        63 months ago

        I see what you’re saying, using one hand for the entire sequence. XI is still a pain. The real problem is that there is no mention of doing this in any Roman text. A bit of an omission, or was it a state secret?