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search  Sridhar Acharya (c. 870, India – c. 930 India) was an
Indian mathematician, Sanskrit pundit and philosopher. He was
born in Bhurishresti (Bhurisristi or Bhurshut) village in South
Radha (at present Hughli) in the 10th Century AD. His father's
name was Baladev Acharya and mother's name was Acchoka. His
father was also a Sanskrit pundit.   He was known for two
treatises: Trisatika (sometimes 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.    • He gave an exposition on zero. He has
written, "If 0(zero) is added to any number,the sum is the same
number; If 0(zero) is subtracted from any number,the number
remains unchanged; If 0(zero) is multiplied