It’s interesting that Japan and China have separate more complex sets of numbers... | Hacker News

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		grose on April 24, 2023 \| parent \| context \| favorite \| on: Why do studios use Roman numerals in the copyright... It’s interesting that Japan and China have separate more complex sets of numbers specifically to prevent this. https://en.wikipedia.org/wiki/Japanese_numerals#Formal_numbe...

seanc on April 24, 2023 [–]

TIL! Thanks. Fun fact, I just looked at my Aikido 2nd Dan certificate, and it uses a mix of formal and in-formal numerals. Informal for the certificate number and the date, and the formal character for '2' for my rank number.

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