It all depends on your personal preference. Typically if you grow up using one method, it comes easiest to you. For the Egyptian number system, it is more solidly based on memorization, where as for the Roman system, it only has a few symbols to memorize, the rest is patterns.
See related links. The Egyptian numeral system actually originated from hieroglyphics.
as far as i know the Egyptian numeral system doesn't use zero. sorry i couldn't be more help ;)
= 5
For the same reasons that we need a numeracy system today which is based on the Hindu-Arabic numeral system that was a lot easier than the Roman numeral system that it replaced.
there is difficulty in the mathematical opperations there is no zero
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The Hindu-Arabic numeral system which replaced the Roman numeral system.
Numeral
Because of the inclusion of a 0 figure in their numeral system.
Because the Hindu-Arabic numeral system contained a nought figure which made arithmetical calculations a lot easier to work out.
The Roman numeral system was derived from the Etruscan numeral system and the Etruscans once ruled the Romans.
Today it is the Hindu-Arabic numeral system but in the Middle Ages it was the Roman numeral system.