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(194) : Nandanavana
Vīrasena (probably 743-823 CE) between about 792-816 CE and 816823 CE. Out of these two commentaries, the Dhavalā one concerns us here. This commentary with original text has been published with Hindi translation in 16 volumes of roughly 400 pages each by JSS, Sholapur. Its English translation is also in the offing. The first, third, fourth and tenth volumes have majority of mathematical contents of the text. Before proceeding further, it would be proper to learn about Virasena. Ācārya Virasena (743-823 CE)
The period of eighth and ninth century CE is said to be the golden age for Jinistic promotion and varied literature in the Rāştrakūta dynasty in the south, which controlled part of the western India also. We have many contemporary scholars and a king as below
1. Elācārya (teacher of Vīrasena). 2. Vīrasena (Commentator, 743-823 CE). 3. Jinasena-II (Pupil of Vīrasena. App. 780-855 CE) 4. Gunabhadra (Pupil of Jinasena, 800-897 CE). 5. Mahāvīrācārya (Mathematician ~ 800-850 CE). 6. Amoghavarşa-I (Rāştrakūta King and author, 814-877 CE). 7. Śrīdhara Ācārya, (Astrologer, Mathematician, Contemporary
of 6). 8. Ugrāditya (Physician, Contemporary of 6) 9. Akalanka (Philosopher, logician, 720-780 CE). 10. Haribhadra (Philosopher, 700-770 CE). 11. Vidyānanda (Philosopher, logician, 788-841 CE). 12. Jinasena-I (Poet of Jaina Mythology poet, 748-818 CE).
They produced immortal literature on various subjects, which is not only historically important, but it has an all-time religious and human value. We see Vīrasena is one of these illustrious philosophers, religious scripturist and eloquent monk scholar. He seems to be the senior contemporary of the noted Jaina mathematician Mahāvīrācārya of Gasitasāra-sargraha (Compendium of the Essence of Mathematics). He was there in India when the Chinese were following the Li-Chun Fang version of the old text of ‘Nine Chapters' by J.Z.S.S. dealing with plane and solid geometrical, arithmetical and algebraic operations useful in practical life.' Many Chinese scholars
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