On an untapped source of medieval Keralese mathematics

  title={On an untapped source of medieval Keralese mathematics},
  author={C. T. Rajagopal and Mythili Rangachari},
  journal={Archive for History of Exact Sciences},
Presentation d'un manuscrit sanskrit de l'ecole medievale du Kerala (Inde), redige par un eleve de Jyesthadeva, auteur du texte Yukti-bhasa (16 siecle) et reprenant les developpements en serie de sinus, cos, arctg contenus dans le Yujti-bhasa et redecouverts independamment au 17 siecle par J. Gregory, G.W. Leibniz et I. Newton. Essai d'identifier l'auteur des series. 

On medieval Kerala mathematics

The two latter series are also found stated in the Tantrasangraha in the related forms 1 ίπ'2 s3 1 /π'4^5 [Β,] rsine = 5__|_j_ ίπ'2 + _y /π'4^5 __..., and 1 ίπ' s2 1 /π'3 sA M 'COs9 = '-2!(t)t+4!(t)

Eurocentrism in the History of Mathematics: the Case of the Kerala School

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Indian mathematics has its deep roots in the Vedas, different from what is known as Vedic Mathematics. Vedic age gave rise to a new era of progress in the field of Science, Technology and

Trigonometria Indiana: o método das diferenças, as séries de potências do seno, cosseno, e as estimativas de 𝜋.

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In the 1980s, soon after the publication of the Swann Report, Education for All (DES 1985), there was a growing recognition that the British school curriculum suffered from an ethnocentric bias that


Indian mathematics has its roots in Vedic literature. Between 1000 B.C. and 1800 A.D. various treatises on mathematics were authored by Indian mathematicians in which were set forth for the first



RAJAGOPAL, "On the Hindu quadrature of the circle

  • Journal of the Bombay Branch of the Royal Asiatic Society, N.S.,
  • 1944

VENKATARAMAN, "The sine and cosine power-series in Hindu mathematics

  • Journal of the Royal Asiatic Society of Bengal, Science,
  • 1949