The Jewel of Auspicious Moments (Unknown) - Page 21

Based on these evidences, historians have determined that Paramesvara lived between 1365–1460 CE. Paramesvara was a prominent mathematician-astronomer from the Kerala school, known for his long-term observations.

Other Works of the Commentator Paramesvara

This Paramesvara wrote many independent treatises as well as commentaries. His contribution is significant in both the theoretical and predictive branches of astronomy.

Independent Works of Paramesvara:

1. Compendium of Conduct original: "Acarasangraha"
2. Illumination of the Sphere original: "Goladipika"
3. Illumination on Computing the Planets original: "Grahanayanadipika"
4. Ornament of Eclipses original: "Grahanamandana"
5. Eight Verses on Eclipses original: "Grahanashtaka"
6. Computation of the Moon's Shadow original: "Chandrachhayaganita"
7. Method of Natal Horoscopy original: "Jatakapaddhati"
8. Computation based on Observation original: "Drigganita"; this was a landmark work that revised astronomical parameters to match observed reality.
9. Manual of Mnemonic Phrases original: "Vakyakarana"
10. Compatibility for Marriage original: "Vivahanukulya"
11. Results of the Good Divisions original: "Sadvargaphala"

Commentaries by Paramesvara:

Name of Commentary	Original Text	Author
Light on Bhatta	Aryabhatiya	Aryabhata
Explanation	Illumination of the Sphere	Paramesvara
Explanation	Method of Natal Rites	Sripati
Paramesvara's Commentary	Fifty-six Verses on Horary Astrology	Prithuyashas
Light on Ritual Action	The Great Book of Bhaskara	Bhaskara I
Light on Siddhanta	Commentary on the Great Book of Bhaskara	Govindasvami
The Jewel of Auspicious Moments with Commentary	The Jewel of Auspicious Moments	Govindabhattatiri

The vocabulary list below includes technical terms for the author, historians, independent works, commentaries, and specific titles of foundational astronomical texts.