Comment on John Carmack discusses the art and science of software engineeringparentComments−taybin14yAccording to this, multiplication wasn't so bad: http://turner.faculty.swau.edu/mathematics/materialslibrary/...−btilly14yActually real Romans did multiplication on an abacus. Reading from Roman numerals to/from an abacus is an incredibly natural operation.In Europe the disappearance of abacuses was directly tied to the rise of Arabic notation.−e12e14yWithout a table? Just from memory? I think I'd prefer decimal.
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According to this, multiplication wasn't so bad: http://turner.faculty.swau.edu/mathematics/materialslibrary/...
Actually real Romans did multiplication on an abacus. Reading from Roman numerals to/from an abacus is an incredibly natural operation.
In Europe the disappearance of abacuses was directly tied to the rise of Arabic notation.
Without a table? Just from memory? I think I'd prefer decimal.