| Description |
Explains and demonstrates logarithms, the slide rule, and other methods for simplifying computation. Through the use of models and charts, presents finger multiplication, the lightning or cross method of multiplication, and Napier's "bones." Explains the development and application of logarithms. Shows how a log table is constructed and used. Relates this to a model of a slide rule, and demonstrates its operation and uses. Indicates the many other uses of logarithms in representing important relationships in such areas as electricity and chemistry.
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