Abstract
WILL one of your mathematical readers kindly state whether the following empirical formula gives a nearer approximation to the perimeter of an ellipse than that usually given in pocket-books of formulæ?
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TOMKYS, H. Formula for the Perimeter of an Ellipse. Nature 65, 536 (1902). https://doi.org/10.1038/065536a0
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DOI: https://doi.org/10.1038/065536a0
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