Question

Why did Arabic numerals replace Roman numerals?
They made it easier to perform calculations.
They were based on the Torah.
They were easier to read.
They were less accurate.

Answer 1

Arabic numerals replaced Roman numerals primarily because they made it easier to perform calculations. The positional decimal system of Arabic numerals allows for straightforward mathematical operations such as addition, subtraction, multiplication, and division, which is more cumbersome with Roman numerals. Additionally, Arabic numerals include the concept of zero, which is essential for representing numbers and performing calculations efficiently.