Letter | Published:

Tables of Four-figure Logarithms

Nature volume 68, page 270 (23 July 1903) | Download Citation

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Abstract

I AM much interested by the short letter, contributed by Prof. Perry to NATURE of July 2 (p. 199), on the subject of four-figure logarithms, especially as I have myself offered a solution of the difficulty which Mr. Harrison has essayed to remedy. If, instead of using Bottomley's differences for the upper part of the tables, viz. from 1000 to 1799, we resort to the usual tabular differences found in any ordinary logarithmic tables, such as Chambers's, we get an even greater accuracy than does Mr. Harrison. The tables are naturally weakest when we have a “9” for the fourth figure of the number the logarithm of which is required. Taking this as a test, between 1000 and 1799 the accuracy of the three methods may be expressed thus:—

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    • M. WHITE STEVENS

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https://doi.org/10.1038/068270a0

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