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Sankara Variar (circa. 1500 - 1560 CE) was an astronomer-mathematician of the Kerala school of astronomy and mathematics who lived during the sixteenth century CE. His family were employed as temple-assistants in the Shiva-temple at Trkkutaveli near modern Ottapalam.
Mathematical lineage 
He was taught mainly by Nilakantha Somayaji (1444–1544), the author of the celebrated Tantrasamgraha and Jyesthadeva (1500–1575), the author of Yuktibhāṣā. Other teachers of Sankara Variar include Netranarayana, the patron of Nilakantha Somayaji and Chitrabhanu, the author of an astronomical treaties dated to 1530 and of a small work with solutions and proofs for algebraic equations.
Works of Sankara Variar 
The known works of Sankara Variar are the following:
- Yukti-dipika - an extensive commentary in verse on Tantrasamgraha based on Yuktibhāṣā.
- Laghu-vivrti - a short commentary in prose on Tantrasangraha.
- Kriya-kramakari - a lengthy prose commentary on Lilavati of Bhaskara II.
- An astronomical commentary dated 1529 CE.
- An astronomical handbook completed around 1554 CE.
- Plofker, Kim (2009). Mathematics in India. Princeton: Princeton University Press. p. 220.