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Brahmagupta
Brahmagupta (598–668) was one of 7th-century India's foremost mathematicians and astronomers, born in Bhillamala, where he headed the local observato…
Timeline
- 598–628Bhillamala · RajasthanBorn in Bhillamala, a vassal state of the Gurjara kingdom, he studied astronomy and calendrical calculation from youth, later heading the local astronomical observation institution and accumulating experience in planetary motion and calendar computation.
- 628–640Bhillamala · RajasthanCompleted the Brahmasphutasiddhanta in 628, the first systematic treatment of rules for operating with zero, negative numbers, quadratic and indeterminate equations, along with methods for computing planetary positions and solar/lunar eclipses; it became a classic of Indian mathematical astronomy.
- c. 640–668Bhillamala · RajasthanIn his later years he continued revising his calendrical works and instructing students; his theories of zero and negative numbers reached Europe via Arab scholars. He died around 668.
Sources
- Brahmagupta: Brahmasphutasiddhanta — Brahmagupta (628)
- Brahmagupta https://mathshistory.st-andrews.ac.uk/Biographies/Brahmagupta/