roman numeral arithmetic

[hitchhiker]

https://www.washingtoncitypaper.com/columns/straight-dope/article/20854121/how-did-anyone-do-math-in-roman-numerals

the bit on multiplication was especially interesting; i had never thought about it but it makes perfect sense.

Comments

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[minoanmiss]

*makes a note*

[amaebi]

That is wonderful. Thank you.

[cjsmith]

Nifty!