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A reconstruction of Smogulecki and Xue's table of trigonometrical logarithms (ca. 1653)

Denis Roegel 1
1 MOSEL - Proof-oriented development of computer-based systems
LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : Smogulecki and Xue constructed the first Chinese table of trigonometrical logarithms around 1653. The table gave the logarithms of the sines, cosines, tangents and cotangent from 0 to 45 degrees, for every hundredth of a degree. It is reconstructed here.
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https://hal.inria.fr/hal-00654452
Contributor : Denis Roegel <>
Submitted on : Wednesday, December 21, 2011 - 8:09:49 PM
Last modification on : Friday, February 26, 2021 - 3:28:08 PM
Long-term archiving on: : Monday, November 19, 2012 - 11:40:24 AM

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  • HAL Id : hal-00654452, version 1

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Denis Roegel. A reconstruction of Smogulecki and Xue's table of trigonometrical logarithms (ca. 1653). [Research Report] 2011. ⟨hal-00654452⟩

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