Mathematician:Brahmagupta

Indian mathematician and astronomer.

Gave definitive solutions to the general linear equation, and also the general quadratic equation.

Best known for the Brahmagupta-Fibonacci Identity.

Nationality
Indian.

History

 * Born: 598
 * Died: 668

Theorems

 * Brahmagupta Interpolation Formula
 * Brahmagupta-Fibonacci Identity (with )
 * Brahmagupta Theorem
 * Brahmagupta's Formula


 * He can also be said to have provided the groundwork for the later Chakravala Method for solving indeterminate quadratic equations.

Books

 * 628: Brahmasphutasiddhanta (The Opening of the Universe)
 * 665: Khandakhadyaka

Also see

 * : Chapter $3$: Notations and Numbers