Sridhara
Śrīdhara or Śrīdharācārya (8th–9th century) was an Indian mathematician, known for two extant treatises about arithmetic and practical mathematics, ''Pāṭīgaṇita'' and ''Pāṭīgaṇita-sāra'', and a now-lost treatise about algebra, ''Bījagaṇita''. Provided by Wikipedia
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