in Pingree. Bhatadipika – Commentary on Āryabhaṭīya of Āryabhaṭa I Karmadipika – Commentary on Mahabhaskariya of Bhaskara I Paramesvari – Commentary on Laghubhaskariya of Bhaskara I Sidhantadipika – Commentary on Mahabhaskariyabhashya of Govindasvāmi Vivarana – Commentary on Surya Siddhanta and Lilāvati Drgganita – Description of the Drig system (composed in 1431 CE) Goladipika – Spherical geometry and astronomy (composed in 1443 CE) Grahanamandana – Computation of eclipses (Its epoch is 15 July 1411 CE.) Grahanavyakhyadipika – On the rationale of the theory of eclipses Vakyakarana – Methods for the derivation of several astronomical tables References Further reading David Pingree, Biography in Dictionary of Scientific Biography (New York 1970–1990). Bhaskara, Laghubhaskariyam : With Parameshvara's commentary (Poona, 1946). Bhaskara, Mahabhaskariyam: With Parameshvara's commentary called Karmadipika (Poona, 1945). Munjala, Laghumanasam : with commentary by Parameshvara (Poona, 1944). T.A. Sarasvati Amma (1979) Geometry in ancient and medieval India, (Delhi). K. Shankar Shukla (1957) The Surya-siddhanta with the commentary of Parameshvara (Lucknow). K. V. Sarma (2008), "Paramesvara", Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures (2nd edition) edited by Helaine Selin, Springer, . Kim Plofker (1996) "An example of the secant method of iterative approximation in a fifteenth-century Sanskrit text", Historia Mathematica 23 (3): 246–256. K. K. Raja (1963) "Astronomy and mathematics in Kerala", Brahmavidya 27; 136–143. External links (PDF version) 1380 births 1425 deaths Indian Hindus 14th-century Indian mathematicians 15th-century Indian astronomers Medieval Indian astrologers Kerala school of astronomy and mathematics 15th-century Indian mathematicians 14th-century astrologers 15th-century astrologers Scientists from Kerala People from Malappuram district Scholars from Kerala