Because they originated from the Indian subcontinent then across Arabia and then into Western Europe during the Middle Ages thus replacing Roman numerals that was the numeracy system being used at the time.
Because they were used in Ancient India. The Arabs learned them from here and spread to the world. That's why in the beginning the Europeans called them Arabic numbers but the arabians itself called them Hindu numbers. So now they are jointly called the Hindu-Arabic numbers.
Because that was the region of the world where Hindu-Arabic numerals originated from.
It is the Hindu-Arabic numeral system.
In todays notation of Roman numerals it represents 1988 in Hindu-Arabic numerals
There is no system called "Arabic numbers". XII can be defined by a set of Arabic NUMERALS, but not by a single character.Improved Answer:-The Roman numerals of XII equals 12 in Hindu-Arabic numerals.
The numbers we use today
Hindu/Arabic numbers are the system of numbers which are used in most countries of the world. 192 is a Hindu/Arabic number.
In todays modern configuration of Roman numbers it is equivalent to 348 in Hindu-Arabic numerals
Hindu Arabic Numerals use numbers but Roman numerals use symbols.
numbers
They are known as Hindu-Arabic numerals
Indian numerals came to be called Hindu- Arabic numerals for many reasons. Some of those reasons are because they were originated from India where they were using the numerals for 1 to 9 for more than 2,000 years. Arab traders then brought these numerals to the West, As a result, we call them Arabic numerals, or Hindu-Arabic numerals.