Logarithmetica Britannica 2 Volume Paperback Set: Logarithms to 20 Decimal Places 10,000 - 100,000

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This work of Dr Thompson's is an attempt to commemorate in a worthy manner the first great table of common logarithms, which was computed by Henry Briggs and published in London in 1624. It brings together the series of nine separate parts, issued between 1924 and 1952 from University College, London, in Karl Pearson's Tracts for Computers series. The main table, which consists of the common logarithms to twenty decimals, of numbers up to 100,000, is accompanied by differences of even order. It is likely to be used chiefly in the computation of other mathematical tables, and will facilitate the work of the large calculating machines now being developed. For these purposes values of 15 to 20 figures are often required. The table is preceded by a very full introduction which describes methods of interpolation and the mode of construction, and provides some useful auxiliary tables.