Brahmagupta

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Brahmagupta

(brä'məgo͝op`tə), c.598–c.660, Indian mathematician and astronomer. He was among the first to meaningfully discuss the concepts of zero and of negative numbers. He wrote in verse the Brahma-sphuta-siddhanta [improved system of Brahma], a standard work on astronomy containing two chapters on mathematics that were translated into English by H. T. Colebrooke in Algebra … from the Sanskrit of Brahmagupta (1817). A shorter treatise, The Khandakhadyaka (tr. 1934), expounded the astronomical system of AryabhataAryabhata
, c.476–550, Hindu mathematician and astronomer. He is one of the first known to have used algebra; his writings include rules of arithmetic and of plane and spherical trigonometry, and solutions of quadratic equations.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Brahmagupta

 

Born circa 598; died 660. Indian mathematician and astronomer.

Brahmagupta’s work Revision of the System of Brahma (628), a significant part of which is devoted to arithmetic and algebra, has come down to us. His studies of arithmetic progression (the well-known law of its summation) and the solution of quadratic equations that have a real solution are expounded in it.

REFERENCE

Iushkevich, A. P. Istoriia matematiki v srednie veka. Moscow, 1961.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.