Sadratnamala
Opening verses of Sadratnamala (in Devanagari)
AuthorSankara Varman (1774–1839)
CountryIndia
LanguageSanskrit
SubjectAstronomy/Mathematics
Publication date
1819 CE

Sadratnamala is an astronomical-mathematical treatise in Sanskrit written by Sankara Varman, an astronomer-mathematician of the Kerala school of mathematics, in 1819.[1] Even though the book has been written at a time when western mathematics and astronomy had been introduced in India, it is composed purely in the traditional style followed by the mathematicians of the Kerala school. Sankara Varman has also written a detailed commentary on the book in Malayalam.

Sadratnamala is one of the books cited in C. M. Whish's paper on the achievements of the Kerala school of mathematics.[2] This paper published in the Transactions of the Royal Asiatic Society of Great Britain and Ireland in 1834, was the first ever attempt to bring the accomplishments of Keralese mathematicians to the attention of Western mathematical scholarship.[3]

Whish wrote in his paper thus: "The author of Sadratnamalah is SANCARA VARMA, the younger brother of the present Raja of Cadattanada near Tellicherry, a very intelligent man and acute mathematician. This work, which is a complete system of Hindu astronomy, is comprehended in two hundred and eleven verses of different measures, and abounds with fluxional forms and series, to be found in no work of foreign or other Indian countries."

Synopsis of the book

The book contains 212 verses divided into six chapters, called prakarana-s.

Sankara Varman (1774–1839)

Main article: Sankara Varman

Sankara Varman, author of Sadratnamala, was born as a younger prince in the principality of Katathanad in the North Malabar in Kerala. To the local people he was known as Appu Thampuran. The date of birth of Sankara Varman is still uncertain. There are some strong arguments in favour of the year 1774 CE. Sankara Varman died in 1839 CE.

References

  1. ^ Sarma, K.V. (2001). "Sadratnamala of Sankara Varman" (PDF). Indian Journal of History of Science. 36 (3–4 (Supplement)). Indian National Academy of Science, New Delhi: 1–58. Archived from the original (PDF) on 2 April 2015. Retrieved 17 December 2009.
  2. ^ Charles Whish (1834), "On the Hindu Quadrature of the circle and the infinite series of the proportion of the circumference to the diameter exhibited in the four Sastras, the Tantra Sahgraham, Yucti Bhasha, Carana Padhati and Sadratnamala", Transactions of the Royal Asiatic Society of Great Britain and Ireland, 3 (3), Royal Asiatic Society of Great Britain and Ireland: 509–523, doi:10.1017/S0950473700001221, JSTOR 25581775
  3. ^ J J O'Connor; E F Robertson (November 2000). "An overview of Indian mathematics". School of Mathematics and Statistics, University of St Andrews Scotland. Retrieved 19 December 2009.
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