Mathematician:Mahaviracharya

Mahāvīrāchārya (literally: Mahāvīrā the teacher) was an Indian mathematician best known for separating the subject of mathematics from that of astrology.

Gave the sum of a series whose terms are squares of an arithmetical progression and empirical rules for area and perimeter of an ellipse.

Nationality
Indian

History

 * Born: c. 800, possibly Mysore, India
 * Died: c. 870, India

Achievements

 * Solutions of equations of the forms $ax^n = q$ and $a \dfrac{x^n - 1}{x - 1} = p$


 * Formulas for the sides and diagonals of a cyclic quadrilateral

Books and Papers

 * c. 850: Ganita Sara Samgraha, an updating of 's Brahmasphutasiddhanta

Also see

 * : Chapter $3$: Notations and Numbers