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{{Short description|1604 commentary in Kannada on Viddṇācārya's ''Vārșikatantra''}} |
{{Short description|1604 commentary in Kannada on Viddṇācārya's ''Vārșikatantra''}} |
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'''Gaṇitagannaḍi''' (Mirror of Mathematics) is a commentary in [[Kannada]] on Viddṇācārya's ''Vārșikatantra'' composed by Śaṅkaranārāyaṇa Joisāru in 1604.<ref name="Shylaja">{{cite journal |last1=B. S. Shylaja and Seetharam Javagal |title=Ganitagannadi: A ''karana'' text of 1604 on ''Siddhantic'' astronomy in Kanada |journal=History of Science in South Asia |year=2020 |volume=8 |pages=13–35 |url=https://journals.library.ualberta.ca/hssa/index.php/hssa/article/view/46/100 |access-date=15 December 2023}}</ref><ref>{{cite journal |last1=B. S. Shylaja and Seetharam Javagal |title=Mean and True Positions of Planets as Describedin Ganitagannadi – A Karana Text on Siddhantic Astronomy in Kannada |journal=History of Science in South Asia |year=2021 |volume=9 |pages=232–272 |url=https://journals.library.ualberta.ca/hssa/index.php/hssa/article/view/62 |access-date=15 December 2023}}</ref> The book, written in [[Nandinagari]] script, is a ''karaṇa'' text, that is, a book which explain the various computations in astronomy especially with regard to those related to the preparation of ''[[Panchangam]]''-s ([[calendar]]). Even though manuscripts of Kannada commentaries of several Sanskrit texts on astronomy like ''Sūryasiddhānta'' have been identified, ''Gaṇitagannaḍi'' is the first such commentary ever to be translated into English, printed and published.<ref name="Bhavana">{{cite journal |last1=B. S. Shylaja |title=Archival Collections of Kannaḍa Texts on Astronomy and Mathematics |journal=Bhavana: The Mathematics Magazine |date=January 2022 |volume=6 |issue=1 |url=https://bhavana.org.in/archival-collections-of-kannaḍa-texts-on-astronomy-and-mathematics |access-date=15 December 2023}}</ref> ''Gaṇitagannaḍi'' was translated into English by B. S. Shylaja, a scientist associated with Jawaharlal Nehru Planetarium, Bengaluru and Seetharama Javagal and was published in 2021.<ref>{{cite news |last1=Akhil Kadidal |title=Palm leaf guide to the stars |url=https://www.deccanherald.com/india/karnataka/palm-leaf-guide-to-the-stars-1061922.html |access-date=15 December 2023 |publisher=Deccan Herald |date=18 December 2021}}</ref><ref>{{cite book |last1=B.S.Shylaja and Seetharama Javagal |title=Ganitagannadi - Mirror of Mathematics |date=April 2021 |publisher= Navakarnataka Publications Pvt Ltd |location=Bengaluru |isbn=978-8195317721 |url=https://www.amazon.in/Ganitagannadi-Mathematics-B-S-Shylaja-Seetharama-Javagal/dp/8195317723/ref=sr_1_3?qid=1702649805&refinements=p_27%3AB.S.+Shylaja&s=books&sr=1-3 |access-date=15 December 2023}}</ref> It was Seetharama Javagal who brought to light the palm leaf manuscript of ''Gaṇitagannaḍi'' in his grandfather's collection.<ref name="Bhavana"/> |
'''Gaṇitagannaḍi''' (Mirror of Mathematics) is a commentary in [[Kannada]] on Viddṇācārya's ''Vārșikatantra'' composed by Śaṅkaranārāyaṇa Joisāru in 1604.<ref name="Shylaja">{{cite journal |last1=B. S. Shylaja and Seetharam Javagal |title=Ganitagannadi: A ''karana'' text of 1604 on ''Siddhantic'' astronomy in Kanada |journal=History of Science in South Asia |year=2020 |volume=8 |pages=13–35 |url=https://journals.library.ualberta.ca/hssa/index.php/hssa/article/view/46/100 |access-date=15 December 2023}}</ref><ref>{{cite journal |last1=B. S. Shylaja and Seetharam Javagal |title=Mean and True Positions of Planets as Describedin Ganitagannadi – A Karana Text on Siddhantic Astronomy in Kannada |journal=History of Science in South Asia |year=2021 |volume=9 |pages=232–272 |url=https://journals.library.ualberta.ca/hssa/index.php/hssa/article/view/62 |access-date=15 December 2023}}</ref> Viddṇācārya's ''Vārșikatantra'' is a ''karaṇa'' text written before 1370 CE.<ref>{{cite book |title=A history of Indian literature: Vol Vi Part 4 - Jyothisastra - Astral and mathematical literature |date=1981 |publisher=Otto Harrassowitz |location=Wiesbaden |page=48 |url=https://archive.org/details/pingree1981/page/n51/mode/2up?view=theater |access-date=16 December 2023}}</ref> |
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The book, written in [[Nandinagari]] script, is a ''karaṇa'' text, that is, a book which explain the various computations in astronomy especially with regard to those related to the preparation of ''[[Panchangam]]''-s ([[calendar]]). Even though manuscripts of Kannada commentaries of several Sanskrit texts on astronomy like ''Sūryasiddhānta'' have been identified, ''Gaṇitagannaḍi'' is the first such commentary ever to be translated into English, printed and published.<ref name="Bhavana">{{cite journal |last1=B. S. Shylaja |title=Archival Collections of Kannaḍa Texts on Astronomy and Mathematics |journal=Bhavana: The Mathematics Magazine |date=January 2022 |volume=6 |issue=1 |url=https://bhavana.org.in/archival-collections-of-kannaḍa-texts-on-astronomy-and-mathematics |access-date=15 December 2023}}</ref> ''Gaṇitagannaḍi'' was translated into English by B. S. Shylaja, a scientist associated with Jawaharlal Nehru Planetarium, Bengaluru and Seetharama Javagal and was published in 2021.<ref>{{cite news |last1=Akhil Kadidal |title=Palm leaf guide to the stars |url=https://www.deccanherald.com/india/karnataka/palm-leaf-guide-to-the-stars-1061922.html |access-date=15 December 2023 |publisher=Deccan Herald |date=18 December 2021}}</ref><ref>{{cite book |last1=B.S.Shylaja and Seetharama Javagal |title=Ganitagannadi - Mirror of Mathematics |date=April 2021 |publisher= Navakarnataka Publications Pvt Ltd |location=Bengaluru |isbn=978-8195317721 |url=https://www.amazon.in/Ganitagannadi-Mathematics-B-S-Shylaja-Seetharama-Javagal/dp/8195317723/ref=sr_1_3?qid=1702649805&refinements=p_27%3AB.S.+Shylaja&s=books&sr=1-3 |access-date=15 December 2023}}</ref> It was Seetharama Javagal who brought to light the palm leaf manuscript of ''Gaṇitagannaḍi'' in his grandfather's collection.<ref name="Bhavana"/> |
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The most important specialty of the book from an astronomical point of view is that, "in the third chapter (''Chāyāddhāya''). all the computations are based on a single parameter, namely the shadow length. Other quantities are based on ''Dyu-nishardha-Karna'', to be obtained daily. This includes ''vishuvat-karna'' and ''vishuvatchaya''. This clearly demonstrates the importance of actual observations. These traditional astronomers always advocated ''drig-ganita-aikya'' (that is, the concordance between observation and computation)."<ref>{{cite journal |last1=S. Balachandra Rao |title=Review of "Gaṇitagannaḍ: Mirror of Mathematics" |journal=Bhavan's Journal |date=2022 |pages=592-593 |url=https://www.sciengine.com/doi/pdfView/24707381BF344D5DA02E5A1D3B04B7E6 |access-date=15 December 2023}}</ref> |
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==Outline of the book== |
==Outline of the book== |
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Revision as of 00:04, 16 December 2023
Gaṇitagannaḍi (Mirror of Mathematics) is a commentary in Kannada on Viddṇācārya's Vārșikatantra composed by Śaṅkaranārāyaṇa Joisāru in 1604.[1][2] Viddṇācārya's Vārșikatantra is a karaṇa text written before 1370 CE.[3]
The book, written in Nandinagari script, is a karaṇa text, that is, a book which explain the various computations in astronomy especially with regard to those related to the preparation of Panchangam-s (calendar). Even though manuscripts of Kannada commentaries of several Sanskrit texts on astronomy like Sūryasiddhānta have been identified, Gaṇitagannaḍi is the first such commentary ever to be translated into English, printed and published.[4] Gaṇitagannaḍi was translated into English by B. S. Shylaja, a scientist associated with Jawaharlal Nehru Planetarium, Bengaluru and Seetharama Javagal and was published in 2021.[5][6] It was Seetharama Javagal who brought to light the palm leaf manuscript of Gaṇitagannaḍi in his grandfather's collection.[4]
The most important specialty of the book from an astronomical point of view is that, "in the third chapter (Chāyāddhāya). all the computations are based on a single parameter, namely the shadow length. Other quantities are based on Dyu-nishardha-Karna, to be obtained daily. This includes vishuvat-karna and vishuvatchaya. This clearly demonstrates the importance of actual observations. These traditional astronomers always advocated drig-ganita-aikya (that is, the concordance between observation and computation)."[7]
Outline of the book
The first chapter of the book deals with the procedure for getting kalidina, starting from the kalivarsa count, and the method for getting the mean positions for planets. The second chapter provides the method for deriving the true positions of all planets, perigees and the nodes. The third chapter describes the procedures of tripraśnādhikāra in Sūryasiddhānta. The fourth chapter is devoted to eclipses. The fifth chapter describes a graphical method for obtaining the timings, magnitudes, and points of ingress. The next three chapters are very brief. The last chapter describes the determination of the elevation of the cusps of the crescent moon.[4]
References
- ^ B. S. Shylaja and Seetharam Javagal (2020). "Ganitagannadi: A karana text of 1604 on Siddhantic astronomy in Kanada". History of Science in South Asia. 8: 13–35. Retrieved 15 December 2023.
- ^ B. S. Shylaja and Seetharam Javagal (2021). "Mean and True Positions of Planets as Describedin Ganitagannadi – A Karana Text on Siddhantic Astronomy in Kannada". History of Science in South Asia. 9: 232–272. Retrieved 15 December 2023.
- ^ A history of Indian literature: Vol Vi Part 4 - Jyothisastra - Astral and mathematical literature. Wiesbaden: Otto Harrassowitz. 1981. p. 48. Retrieved 16 December 2023.
- ^ a b c B. S. Shylaja (January 2022). "Archival Collections of Kannaḍa Texts on Astronomy and Mathematics". Bhavana: The Mathematics Magazine. 6 (1). Retrieved 15 December 2023.
- ^ Akhil Kadidal (18 December 2021). "Palm leaf guide to the stars". Deccan Herald. Retrieved 15 December 2023.
- ^ B.S.Shylaja and Seetharama Javagal (April 2021). Ganitagannadi - Mirror of Mathematics. Bengaluru: Navakarnataka Publications Pvt Ltd. ISBN 978-8195317721. Retrieved 15 December 2023.
- ^ S. Balachandra Rao (2022). "Review of "Gaṇitagannaḍ: Mirror of Mathematics"". Bhavan's Journal: 592–593. Retrieved 15 December 2023.