Brahmagupta
| Brahmagupta | |
|---|---|
| Born | 598 |
| Died | after 665 |
| Residence | Bhinmal, present day Rajasthan, India and Ujjain, present day Madhya Pradesh, India |
| Fields | Mathematics, astronomy |
| Known for |
Zero Modern number system Brahmagupta's theorem Brahmagupta's identity Brahmagupta's problem Brahmagupta-Fibonacci identity Brahmagupta's interpolation formula Brahmagupta's formula |
Brahmagupta (Sanskrit: ब्रह्मगुप्त; 
listen ) (born c. 598, died after 665) was an Indian mathematician and astronomer.
He is the author of two early works on mathematics and astronomy: the Brāhmasphuṭasiddhānta (BSS, "correctly established doctrine of Brahma", dated 628), a theoretical treatise, and the Khaṇḍakhādyaka ("edible bite", dated 665), a more practical text. According to his commentators, Brahmagupta was a native of Bhinmal.
Brahmagupta was the first to give rules to compute with zero. The texts composed by Brahmagupta were composed in elliptic verse in Sanskrit, as was common practice in Indian mathematics. As no proofs are given, it is not known how Brahmagupta's results were derived.
Brahmagupta was born in 598 CE according to his own statement. He lived in Bhillamala (modern Bhinmal) during the reign of the Chapa dynasty ruler Vyagrahamukha. He was the son of Jishnugupta. He was a Shaivite by religion. Even though most scholars assume that Brahmagupta was born in Bhillamala, there is no conclusive evidence for it. However, he lived and worked there for a good part of his life. Prithudaka Svamin, a later commentator, called him Bhillamalacharya, the teacher from Bhillamala. Sociologist G. S. Ghurye believed that he might have been from the Multan region or the Abu region.
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