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Mathematical Treasure: 16th Century Indian Astronomy

Author(s): 
Frank J. Swetz (Pennsylvania State University)

Gaṇeśa Daivajne (ca. 1507-1554) was an Indian astronomer. His Grahalāghava is a treatise on Hindu astronomy and mathematics believed to be composed when he was quite young (ca. 1520). Here are excerpts from a [paper] manuscript of this work from the period 1700-1850. Note that numerical computations are separated from the script by enclosed boxes.

Reference: T. K. Puttaswamy (2012). Mathematical Achievements of Pre-modern Indian MathematiciansNewnesISBN 9780123979384, page 690. This page is available on Google Books. As of July 2018, the short paragraph containing information about Ganésa Daivajne in the Wikipedia article, "Nandigrama," closely followed the two paragraphs on Ganésa Daivajne on page 690. 

The image above was obtained through the courtesy of the Rare Books and Manuscripts Collection, University of Pennsylvania Library, where the reference number of the work is MS 390.

Index to Mathematical Treasures

Frank J. Swetz (Pennsylvania State University), "Mathematical Treasure: 16th Century Indian Astronomy," Convergence (July 2018)

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