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" Find from the table the logarithm of the first four figures, and to it prefix a characteristic less by unity than all the places of figures in the given number. Take from the last column on the right of the page, marked D, the number on the same horizontal... "
Elements of Surveying: With a Description of the Instruments and the ... - Page 18
by Charles Davies - 1840
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Elements of Surveying: With the Necessary Tables

Charles Davies - Surveying - 1830 - 318 pages
...the number on the same horizontal line with the logarithm, and multiply this number by the numbers that have been considered as ciphers : then, cut off...the product, so obtained, to the first logarithm, for the logarithm sought. Let it be required to find the logarithm of 672887. The log. of 672800 is...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - Surveying - 1833 - 436 pages
...this number by the numbers that have been considered as ciphers : then, cut off from the right-hand as many places for decimals as there are figures in...the product, so obtained, to the first logarithm, for the logarithm sought. Let it be required to find the, logarithm of 672887. The log. of 672800 is...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1836 - 394 pages
...the number on the same horizontal line with the logarithm, and multiply this number by the numbers that have been considered as ciphers : then, cut off...add the product, so obtained, to the first logarithm : this sum will be the logarithm sought. Let it be required to find the logarithm of 672887. The log....
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A Table of Logarithms: Of Logarithmic Sines, and a Traverse Table

Logarithms - 1836 - 192 pages
...this number, by the numbers that have been considered as ciphers : then, cut off from the right-hand as many places for decimals as there are figures in the multiplier, and add the product, so' obtajned, to the first logarithm, for the logarithm sought. Let it be required to find the logarithm...
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The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1839 - 356 pages
...Write the numbers under each other according to their value, add as in ii'linli: numbers, and point off" from the right hand as many places for decimals, as there are in either of the numbers. 2. Add together the following numbers — 81.61356, 6716.31, 413.1678956,35.14671,...
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Elements of Surveying, and Navigation: With a Description of the Instruments ...

Charles Davies - Navigation - 1841 - 414 pages
...the column 0, being taken from the line 310. When the number exceeds 10,000, or is expressed by Jive or more figures. 9. Consider all the figures, after...find the logarithm of 672887. log 672800 = 5.827886 OF LOGARITHMS. 11 b«,ing multiplied by 87, the figures regarded as ciphers, glves for a product 5655...
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Elements of Surveying, and Navigation: With a Description of the Instruments ...

Charles Davies - Navigation - 1835 - 388 pages
...the column 0, being taken from the line 310. When the number exceeds 10,000, or is expressed by five or , more figures. 9. Consider all the figures, after...be required, for example, to find the logarithm of 673887. log 672800 = 5.827886 OF LO6AR1THMS. 11 fating multiplied by 87, the figures regarded as ciphers,...
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The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...RULE. Write the numbers under each other according to their value, add as in whole numbers, and point off from the right hand- as many places for decimals, as there are in either of the numbers. 2. Add together the following numbers — 31.61356, 6716.31, 413.1678956,35.14671,...
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The National Arithmetic: On the Inductive System, Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1843 - 340 pages
...RULE. Write the numbers under each other according to their value, add as in whole numbers, and point off from the right hand as many places for decimals, as there are in that number, which contains the greatest number of decimals. 2. Add together the following numbers...
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Introduction to The National Arithmetic: On the Inductive System; Combining ...

Benjamin Greenleaf - Arithmetic - 1844 - 208 pages
...RULE. Write the numbers under each other according to their value, add as in whole numbers, and point off" from the right hand as many places for decimals, as there are in that number, which contains the greatest number of decimals. «. Add together 171.61111 ; -16.7101...
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