This section is from the book "The Engineer's And Mechanic's Encyclopaedia", by Luke Hebert. Also available from Amazon: Engineer's And Mechanic's Encyclopaedia.
In mathematics, they are the results of calculations, systematically arranged, for the convenience of ready application. They also serve the useful purposes of testing the accuracy of a person's own calculations. Numerous tables are given in various parts of this work, attached to the subjects to which they are related.
 
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