Abstract
Telling time by the length of gnomon shadows is a very ancient practice. Prior to the development of spherical cosmological models and accompanying trigonometric techniques in the last few centuries bce, such computations relied on non-trigonometric algorithms approximately relating shadow lengths to time and geographic location.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2019 Hindustan Book Agency 2019 and Springer Nature Singapore Pte Ltd.
About this chapter
Cite this chapter
Ramasubramanian, K., Hayashi, T., Montelle, C., Plofker, K. (2019). Bhojarājā and Bhāskara: Precursors of Karaṇakutūhala algebraic approximation formulas in the Rājamṛgāṅka. In: Ramasubramanian, K., Hayashi, T., Montelle, C. (eds) Bhāskara-prabhā. Sources and Studies in the History of Mathematics and Physical Sciences. Springer, Singapore. https://doi.org/10.1007/978-981-13-6034-3_17
Download citation
DOI: https://doi.org/10.1007/978-981-13-6034-3_17
Published:
Publisher Name: Springer, Singapore
Print ISBN: 978-981-13-6033-6
Online ISBN: 978-981-13-6034-3
eBook Packages: Mathematics and StatisticsMathematics and Statistics (R0)