Complete Explanation A logarithm is the power which a certain number is raised to get another number. Before calculators and ...

In addition to five-place logarithms there is a table to four-places, together with four-place trigonometric functions, a table of useful constants, and an addition-subtraction table. Among others ...

Three and Four Place Tables of Logarithmic and Trigonometric Functions. By James Mills Peirce. 16 pp. (Boston: Ginn Brothers, 1871.) ...