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Title: Khandakhadyaka  
Author: World Heritage Encyclopedia
Language: English
Subject: 665, Prabodh Chandra Sengupta, Brahmagupta, Astronomy books, Aryabhata
Publisher: World Heritage Encyclopedia


Khandakhadyaka (meaning "edible bite") is an astronomical treatise written by Indian mathematician and astronomer Brahmagupta in 665 AD.[1] The treatise contains eight chapters covering such topics as the longitudes of the planets, diurnal rotation, lunar and solar eclipses, risings and settings, the moon's crescent and conjunctions of the planets. The treatise also includes an appendix which is some versions has only one chapter, and in other has three.

The treatise was written as a response to Aryabhata's Ardharatrikapaksa.[1] Khandakhadyaka was known in Sanskrit to al-Biruni.[1]


  1. ^ a b c Thomas F. Glick, Steven Livesey, Faith Wallis, eds. (2014). Medieval Science, Technology, and Medicine: An Encyclopedia. Routledge. p. 464.  
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