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<p><b>New page</b></p><div>{{Short description|Jain mathematician}}<br />
'''Rajaditya''' ({{fl.}} {{circa}} 1190 CE) was a [[Jain]] mathematician, scholar, and poet.<ref>Narasimhacharya, R. (1988). ''History of Kannada Literature''. Asian Educational Services. pp. 33–34.</ref> In the court of [[Hoysala Kingdom|Hoysala]] king [[Vishnuvardhana]] he was known as the earliest author of mathematical works in [[Kannada]]. He is remembered for his contributions to medieval Indian mathematics and literature in [[Karnataka]].<ref>Mariappa Bhat (ed.) (1955). ''Vyavaharaganita''. Government Oriental Manuscripts Library, Madras.</ref><ref>Padmavathamma, Dr. (Mrs.) and Krishnaveni, K.G. Prakash. ''Vyavahāragaṇita and Līlāvati: New Kannada and English Translation''. Government of Karnataka: Kannada Pustaka Pradhikara, Bangalore.</ref><br />
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== Early life and background ==<br />
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He described himself as a devotee of [[Neminatha]] Tirthankara and was a native of "'''Puvina Bage'''" in North [[Karnataka]] (today's [[Raybag]], [[Belagavi]] district), thought to be near modern [[Hoovinahadagali]] or [[Bagewadi]]{{dn|date=October 2025}}.<ref>Mariappa Bhat (1955). ''Introduction to Vyavaharaganita''. Madras Government Press.</ref> <br />
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He was known for his poetic talent and scholarly ability, likely serving in a royal court. His patrons included "[[Bahubali]]" and "'''Bharatha'''". He described his father as Shripathi, his mother as Vasantha, and his guru as '''Shubhachandra Siddhanta deva'''.<ref>Mariappa Bhat (1955). ''Introduction to Vyavaharaganita''. Madras Government Press.</ref> <br />
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Rajaditya was conferred several honorific titles for his mastery, including Ganita Vilasa, Ojevedanga, Padyavidyadhara, Uttamabhavyabhushana, and Jinapadakamalamadhukara.<ref>Mariappa Bhat (1955). pp. vii–viii.</ref><br />
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== Works ==<br />
Rajaditya is credited with authoring several mathematical and poetic works in Kannada. These include '''''Vyavahāragaṇita''''', '''''Kṣetragaṇita''''', '''''Jainagaṇita Sūtrodāharaṇa''''', '''''Vyavahāraratna and Līlāvati''''', and '''''Chitrahasuge'''''.<ref>Padmavathamma Krishnaveni and K.G. Prakash (translators). ''Vyavahara Ganita and Lilavati: With New Kannada and English Translation''. Bharatiya Vidya Bhavan, Bangalore.</ref><ref>Padmavathamma, Dr. (Mrs.) and Krishnaveni, K.G. Prakash. ''Vyavahāragaṇita and Līlāvati: New Kannada and English Translation''. Government of Karnataka: Kannada Pustaka Pradhikara, Bangalore.</ref><ref>Narasimhacharya, R. (1988). ''History of Kannada Literature''. Asian Educational Services. pp. 33–34.</ref> <br />
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He is considered the first known author of mathematical treatises in Kannada. ''Vyavahāragaṇita'' is the only one fully preserved and was published in 1955 by the Government of Madras, edited by M. Mariappa Bhat.<ref>Mariappa Bhat (1955). ''Vyavaharaganita''. Madras Government Press.</ref><br />
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==References==<br />
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[[Category:10th-century Indian mathematicians]]</div>RosemaryBrifman