The Roman numeral system is an example of how calculations were done before the introduction of zero
India
Well if there were C questions on the text you would have go get at least I right out of C before the zero was invented. If you couldn't answer at least I, then they would call You stupid but they still could not give you a zero.
The Mayas invented zero before it was introdiced to Europe. This allowed them to make complex calculations.
aryabhatta first invented zero in India
R.A Bhatta invented the number zero
In throttling process, work done is zero.
Zero wasn't invented by a single known person called aryabtta a Indian scientist.
zero was invented by aryabhatt
It was digits followed by zero
Aryabhat
brahmabhatta
Chinese mathematician Ch'in Chiu - Shao invented the zero in 1247