Shridhara

Sridhar Acharya (Bengali: শ্রীধর আচার্য; c. 750 CE, India – c. ? India) was an Indian mathematician, Sanskrit pandit and philosopher. He was born in Bhurishresti (Bhurisristi or Bhurshut) village in South Radha (at present day Hughli) in the 8th Century AD. His father's name was Baladev Acharya and his mother's name was Acchoka bai. His father was a Sanskrit pandit.

He contributed a lot in mathematics. He was known for 2 treatises: Trisatika (nitsometimes called the Patiganitasara) and the Patiganita. His major work Patiganitasara was named Trisatika because it was written in three hundred slokas. The book discusses counting of numbers, measures, natural number, multiplication, division, zero, squares, cubes, fraction, rule of three, interest- calculation, joint business or partnership and mensuration.

Derivation:

a+b

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