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What is the difference between Roman number system and Hindu-Arabic number system?
The Roman Numeral System:
The Roman Numeral System was widely used in Europe during the late middle ages.
The symbols are I, V, X, L, C, D, and M, standing respectively for 1, 5, 10, 50, 100, 500, and 1,000.
Roman numerals are still in use in clocks and in the names of Kings, Monarchs, Popes like Charles IV, Pope Paul II, Richard III, and so on.
There is no zero in the Roman numeral system.
The Hindu-Arabic Numeral System:
Presently, the Hindu-Arabic numeral system is in use throughout the world. This system was developed in India around 7th century A.D.
Initially, it had the digits from 1 to 9. The digit zero 0 was added later after it was invented by the eminent Indian Astronomer and mathematician Aryabhata.
This system was later introduced to Europe by the Italian mathematician Leonardo Fibonacci.