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The main reason we employ Hindu-Arabic numbers so widely is that it is much easier to do arithmetic with them than it is with Roman numerals. Roman numerals are fine if you just want to represent one number, but if you want to add CMLVII to MCXXXIV then basically you have to do it in your head, because there is no column- for -place system as we use today. Adding 957 to 1134 is much easier if you arrange them under each other, lining up the units, tens, hundreds etc.

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9y ago

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