The real killer application of arabic numerals is arithmetic. Doing even multiplication and division in roman numerals is very time consuming [1]. [1] https://

The real killer application of arabic numerals is arithmetic. Doing even multiplication and division in roman numerals is very time consuming [1]. [1] https://scienceblogs.com/goodmath/2006/08/16/roman-numerals-and-arithmetic https://scienceblogs.com/goodmath/2006/08/16/roman-numerals-...