Logarithms are a convenient way to express large numbers. Before the invention of calculators, the only alternative to slide rules was to use tables of logarithms. Some important formulae, also called ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The title of this bound set of tables ...

DR. GUILLEMIN'S two tables possess several interesting features. Taking, in the first place, Table A, which is used for working to six places of decimals, this contains the antilogarithms, calculated ...

IT is refreshing to come across a set of mathematical tables that are original in construction and use. Thus all that need be said of Mr. Castle's tables (i) is that they seem to contain what the ...

Frequently issued with the treatises on surveying of John Gummere, Robert Gibson, and Zachariah Jess. Authorship has been ascribed to Gummere, Gibson, and also to John Robertson. "Stereotyped by J.

Ancient Mayan astronomers were far more advanced than previously thought, new analysis of an ancient document suggests. Mayans were able to track the movement of Venus They wanted to be able to time ...