How was the number system invented?

Question

How was the number system invented?

Answer

The most commonly used system of numerals is the Hindu–Arabic numeral system. Two Indian mathematicians are credited with developing it. Aryabhata of Kusumapura developed the place-value notation in the 5th century and a century later Brahmagupta introduced the symbol for zero.

Source: Google

Why did this come up

Algorithm frusteration