Brahmagupta

Brahmagupta
Brahmagupta
Born	c. 598 CE; Bhillamala, Gurjaradesa, Chavda kingdom ; (modern day Bhinmal, Rajasthan, India)
Died	c. 668 CE (aged c. 69–70); Ujjain, Chalukya Empire ; (modern day Madhya Pradesh, India)
Known for	Rules for computing with Zero; Modern numeral system; Brahmagupta's theorem; Brahmagupta's identity; Brahmagupta's problem; Brahmagupta–Fibonacci identity; Brahmagupta's interpolation formula; Brahmagupta's formula;
	Scientific career
Fields	Astronomy, mathematics

Brahmagupta (c. 598 – c. 668 CE) 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.

In 628 CE, Brahmagupta first described gravity as an attractive force, and used the term "gurutvākarṣaṇam (गुरुत्वाकर्षणम्)" in Sanskrit to describe it.

Brahmagupta is credited with first clear description of the quadratic formula (the solution of the quadratic equation) in his main work, the Brāhma-sphuṭa-siddhānta.

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