For positional place value purposes. Consider this! The Ancient Romans didn't have a zero. It was a Greek invention which was taken up by the Arabs and is how we got the number zero today.
Long ago, but the invention of Zero about 200 bc is considered a crowning and vital moment. Our common number system is based on this and the further work of the Arabs.
The ancient Egyptians did not have a number zero. The Mayans knew the number zero and the Indians also knew (independent from another). The Indians passed it on to the Arabs and the Arabs brought it to the Mediterranean and later all of Europe.
Some mathematics and the number zero.
They gave us Arabic numerals including the zero, and they took the Chinese invention of gunpowder and used it to make the world's first firearms. Also, sherbet was invented by the Arabs.
The Arabs. Roman mathematics suffered from lack of a zero. They could not do multiplication or division.
INDIA
Zero is a placeholder. The Ancient Chinese used it, the ancient Egyptians used it, ancient India and the Arabs used it. The word came into English from Italian zero.
It was the invention and usage of a zero symbol
ramanujam
invention the Indians invented is the number zero. seems like we dont really need it but it can be important
The inventions of the zero and the logarithms.