""Tantrasangraha"", composed by the renowned Kerala astronomer Nilakantha Somayaji (c. 1444-1545 AD) ranks along with ""Aryabhatiya"" of Aryabhata and ""Siddhantasiromani"" of Bhaskaracarya as one of the major works which significantly influenced further work on astronomy in Ind…
Several important innovations in mathematical technique are also to be found in Tantrasaṅgraha, especially related to the computation of accurate sine tables, the use of series for evaluating the sine and cosine functions, and a systematic treatment of the problems related to th…
Tantrasaṅgraha, composed by the renowned Kerala astronomer Nīlakaṇtha Somayaji (c. 1444-1545 CE) ranks along with Āryabhatīya of Āryabhata and Siddhāntaśiromani of Bhāskarācārya as one of the major works that significantly influenced further work on astronomy in India. One of th…
Tantrasaṅgraha, composed by the renowned Kerala astronomer Nīlakaṇtha Somayaji (c. 1444-1545 CE) ranks along with Āryabhatīya of Āryabhata and Siddhāntaśiromani of Bhāskarācārya as one of the major works that significantly influenced further work on astronomy in India. One of th…
Chapter 1. Mean planets and the śakābdasaṃskāra -- Chapter 2. Obtaining smaller guṇas and hāras -- Chapter 3. Computation of the khaṇḍa, dhruva, etc. of the Moon -- Chapter 4. Obtaining the hārakas for the planets -- Chapter 5. Examination of the revolution numbers etc -- Chapte…
Karaṇapaddhati of Putumana Somayājī is an important text of the Kerala School of astronomy and mathematics, probably composed in the 16th century. In the Indian astronomical tradition, the karaṇa texts are essentially computational manuals and they often display a high level of …
