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Re:How to Multiply Roman Numerals by NAR8789 on Tuesday May 10, 2022 @03:33PM (#31331551)
Hm! I've come across this as "Russian Peasant Multiplication" https://www.wikihow.com/Multiply-Using-the-Russian-Peasant-M...

Easier to digest I think to break TFA into two conceptual pieces

1. the representational complexities of roman numerals (remember not to use prefix notation; what does each character mean)

2. the actual meat of the multiplication algorithm (russian peasant method)

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