ब्राह्मस्फुटसिद्धान्त (ब्रह्मगुप्त - शून्य, कुट्टक, बीजगणित एवं सम्पूर्ण २१ अध्याय सान्वय सटीक)

72 BRAHMASPHUṬA SIDDHĀNTA & KHAṆḌKHĀDYAKA edition. The total number of verses in this work is 403. The Sūryasiddhānta has, as stated above, 500 verses in all. Laghu-bhāskarīya The Laghu-Bhāskarīya is also divided into eight chapters, each chapter is known as Adhyāya. The subject matter in the book has been dealt with as follows : Subject Number of verses Adhyāya I Mean longitudes of the Planets 37 Adhyāya II True Longitudes of the Planets 41 Adhyāya III Direction, Place and Time from Shadow 35 Adhyāya IV The Lunar Eclipse 32 Ādhyāya V The Solar Eclipse 15 Adhyāya VI Visibility, Phases and Rising and Setting of the Moon 25 Adhyāya VII Visibility and Con- junction of the Planets 10 Ādhyāya VIII Conjunction of a Pla- net and a Star 19 The total number of verses in this text is 214. The Laghu- Bhāskarīyam is thus an abridged edition of the Mahā-Bhāskarīyam. From the closing stanza of this work, it is clear that the author wrote this work for the benefit of young students with immature mind by condensing and simplifying the contents of his larger work, the Mahā-Bhāsarīyam (also known as Karma-nibandha). Thus we have a little of the parallelism: Brahmagupta, after finishing his bigger treatise, the Brahma-sphuṭasiddhānta, wrote a minor abridged work, the Khaṇḍa-khādyaka, as a karaṇa grantha. This latter work of Brahmagupta, however, incorporates some original ideas not included in the earlier work. Shukla has given an analytical table indicating the rules of the Mahā- Bhāskarīyam incorporated in the Laghu-Bhāskarīyam also in an abridged or modified form, and also a list of the rules which have been omitted in the Laghu-Bhāsakrīya. There are a few rules in the Laghu-Bhāskarīya also which have no counterpart in the