What are the advantages of Roman Numeral?

Answer 1

With the Roman numeral system only 7 characters are needed to represent numbers whereas the Hindu-Arabic system needs 10. In one of the ancient Greek numeracy systems 27 characters were needed to represent numbers.

The Roman numeracy system was the most advanced amongst the ancient civilisations around the Mediterranean Sea which may well have helped the Romans to conquer and subjugate these people.

Roman numerals are still being used today while other ancient numeracy systems have almost been forgotten.

Answer 2

The Roman numeral system relied on seven characters to represent numbers, unlike the Arabic system with relies on 10 characters. Roman numerals can be used in the same way as Arabic numbers.