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Books Books 1 - 10 of 15 on ... used. MULTIPLICATION BY LOGARITHMS. 32. Add the logarithms of the factors ; and....  
" ... used. MULTIPLICATION BY LOGARITHMS. 32. Add the logarithms of the factors ; and the sum will be the logarithm of their product (Art. 9). The term sum, here used, is to be understood in its algebraic signification. Therefore, since the characteristic... "
Mathematical Tables Consisting of Logarithms of Numbers 1 to 108000 ... - Page xv
edited by - 1883 - 454 pages
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The theory and practice of finding the longitude at sea or land ..., Volume 2

Andrew Mackay - Latitude - 1809 - 8 pages
...gives 776437, the natural number required. PROBLEM III. To perform Multiplication ly Logarithms* RULE. Add the logarithms of the factors, and the sum will be the loga* rkhm of the product. If there are negative and affirmative indices, the difference is to be taken...
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A Treatise on Surveying, Containing the Theory and Practice: To which is ...

John Gummere - Surveying - 1814 - 346 pages
...means of logarithms. CASE 1. When all the factors are whole or mixednumbers. 16 RULE. Add together the logarithms of the factors* and the. Sum will be the logarithm of the product. EXAMPLES. i. Required the product of 84 by 56. Logarithm of 84 is - 1.92428 do of 56 is Product 4704 - Sum 3.67547...
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A treatise on surveying: containing the theory and practice : to which is ...

John Gummere - Plane trigonometry - 1817 - 206 pages
...means of logarithms. CASE 1. When all the factors are whole or mixed numbers. HULE. Add together the logarithms of the factors, and the sum will be the logarithm of the product. EPAMPLES. 1, Required the product of 84 by 56. Logarithm of 84 is - 1.92428 do of 56 is - 1.74819 Product...
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A Treatise on Surveying: Containing the Theory and Practice: to which is ...

John Gummere - Surveying - 1828 - 216 pages
...of logarithms. CASE 1. When all the factors are whole or mixed numbers. . RULE. Add together the logarithms of the factors, and the sum will be the logarithm of the product. EXAMPLES. 1. Required the product of 84 by 56. Logarithm of 84 is 1.92428 Do. of 56 is 1.74819 Product 4704 Sum...
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A system of practical mathematics; being no.xvi. of a new series of school-books

Scottish school-book assoc - History - 1845
...LOGARITHMIC ARITHMETIC. 18. To PERFORM MULTIPLICATION BY LOGARITHMS. RULE. Add together the logarithms of all the factors, and the sum will be the logarithm of the product. If some of the indices be negative and some positive, add the positive indices and the carriage from...
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Plane and Solid Geometry: To which is Added Plane and Spherical Trigonometry ...

George Roberts Perkins - Geometry - 1860 - 443 pages
...equal to the sum of their logarithms, we deduce, for multiplication by logarithms, this RULE. / Add the logarithms of the factors, and the sum will be the logarithm of the product. 1. What is the product of 3-65 by 56-3 ? log. 3-65 = 0-562293 log. 56-3 = 1-750508 log. of product...
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Elements of Geometry and Trigonometry: With Practical Applications

Benjamin Greenleaf - Geometry - 1862 - 490 pages
...operation in which arithmetical complements of logarithms axe used. MULTIPLICATION BY LOGARITHMS. 32. Add the logarithms of the factors ; and the sum will be the logarithm of their product (Art. 9). The term sum, here used, is to be understood in its algebraic signification....
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Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - Geometry - 1863 - 320 pages
...operation in which arithmetical complements of logarithms are used. MULTIPLICATION BY LOGARITHMS. 32. Add the logarithms of the factors ; and the sum will be the logarithm of their product (Art. 9). The term sum, here used, is to be understood in its algebraic signification....
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Elements of Plane and Spherical Trigonometry: With Practical Applications

Benjamin Greenleaf - Mathematics - 1867 - 170 pages
...operation in which arithmetical complements of logarithms are used. MULTIPLICATION BY LOGARITHMS. 32. Add the logarithms of the factors ; and the sum will be the logarithm of their product (Art. 9). The term sum, here used, is to be understood in its algebraic signification....
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An Elementary Geometry and Trigonometry

William Frothingham Bradbury - Geometry - 1873 - 238 pages
...Algebra, and the Logarithms are the exponents of 10. MULTIPLICATION BY LOGARITHMS. 10. RULE. Add tJte Logarithms of the factors, and the sum will be the Logarithm of the product. 1. Multiply 347.676 by 475.2. Ans. 165215.6352. 2. Find the product of 568, 7496, 846, and 1728. Ans....
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