A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 378
as an example s zz ~z r H + t-*. This form of the series, however, is one ofvery slow convergency, so that a great m.anyterms of it must be collected before a result ofsufficient practical accuracy can be obtained. But it may easily be transformed into series ofalmost any required degree of… … 2d Azi-<; By collecting a sufficient number of terms ofany of the three preceding series, we find the cir-cumference of a circle, whose diameter is unity,to be 3-1415926, &c. Example 2.—Let it be required to determinethe length of any parabola, the general equation n — n for curves of tliat…
Encyclopedias and dictionaries · Aeronautics
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