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This book is a Kannada Exposition of the famous and popular Indian astronomical text in Sanskrit, "GRAHA LAAGHAVAM" of the celebrated Indian astronomer, Ganesha Daivajna (1520 CE). The greatness of the text lies in simplifying all the astronomical procedures for computations of the Sun, the Moon and the planets as also of Lunar and Solar Eclipses etc. by disposing of the trigonometric functions, "sine" and "cosine". These are replaced with ver good approximate algebraic expression, first developed by Bhaskara I (629 CE). This remarkable innovation of Ganesha Daivajna made his text extremely popular among astronomers, particularly the compilers of astronomical almanacs ("Panchaangas") for whom the frequent computations of trigonometric ratios
of all sorts of angles was a big bugbear!
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Subjects
indian astronomy, panchanga, jya, kotijya, Ganesha Daivajna, GrahalaghavamPlaces
Varanasi, Kasi, Nandigrama, NandagaonTimes
1520 CEShowing 1 featured edition. View all 1 editions?
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GRAHA GANITA
2010, Bhavan's Gandhi Centre of Science and Human Values, Bangalore
8189220322 9788189220327
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Feedback?September 17, 2010 | Edited by 119.226.87.146 | Edited without comment. |
September 17, 2010 | Created by 119.226.87.146 | Added new book. |