When1: 628
When2: 665
Who: Brahmagupta
What: mathematician
Where: Bhillamala (Bhinmal), Rajasthan, India
works\ Opening of the Universe or Improved System of Brahma [628]; Time Sweetmeat [665]; zero; negative numbers
Detail: He lived 598 to 668 and used decimal number system, negative numbers, and zero. He invented Brahmagupta's theorem.
Mathematical Sciences>Mathematics>History>Number Theory
3-Mathematics-History-Number Theory
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Date Modified: 2022.0224