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Brahmagupta

Born: 5980 AD
Died: 6650 AD
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598 – Brahmagupta was born.

 

665 – He was the head of the astronomical observatory at Ujjain, and during his tenure there wrote two texts on mathematics and astronomy: the Brahmasphutasiddhanta, and the Khandakhadyaka.

 

628 – Brahmagupta gave the first general solution of the quadratic equation.
         – Brahmagupta was the first to use algebra to solve astronomical problems. It was through the Brahmasphutasiddhanta that the Arabs learned of Indian astronomy.

 

712-775 – The famous Abbasid caliph Al-Mansur founded Baghdad, which is situated on the banks of the Tigris, and made it a center of learning.

 

770 – The caliph invited a scholar of Ujjain by the name of Kankah. Kankah used the Brahmasphutasiddhanta to explain the Hindu system of arithmetic astronomy.

 

668 – Brahhmagupta died.