 | Mathematics - 1801 - 658 pages
...numbers, whether they be sides, or sines, tangents, or secants, of angles. Or, in working with logarithms, add the logarithms of the second and third terms together, and from the sum subtract the logarithm of the first term ; then the number answering to the remainder will... | |
 | John Bonnycastle - Trigonometry - 1806 - 464 pages
...the quotient will be the fourth term required, for the natural numbers. Or, in working by logarithms, add the logarithms of the second and third terms together, and from the sum take the logarithm of the first, and the number answering to the remainder, will be the fourth... | |
 | William Nicholson - 1809 - 734 pages
...so the complement of the logarithm of 4ali, ri:. 2.ÜÖ89Ü48, is 7.3410352. In the rule of three. Add the logarithms of the second and third terms together, and from the sum subtract the logarithm of the fir»t, the remainder is the logarithm of the fourth. Or, instead... | |
 | John Dougall - 1810 - 554 pages
...sine of radius, which is 10,00000 j then, agreeably to what was said of the nature of logarithms, add the second and third terms together, and from their...subtract the logarithm of the- first term. The remainder being a logarithmic tangent, we search in the tables of tangents for the number equal or nearest to... | |
 | Thomas Keith - Navigation - 1810 - 478 pages
...proportional to three given numbers, ; er to <work a question in the rule of three by logarithms. ROLE. Add the logarithms of the second and third terms together, and from the sum subtract the logarithm of the first term, the remainder will be the logarithm of the fourth... | |
 | Robert Gibson - Surveying - 1811 - 580 pages
...rule in common Arithmetic, write them orderly under one another, with the signs of proportion ; then add the Logarithms of the second and third terms together,...their sum subtract the Logarithm of the first term, and the remainder will be the Logarithm of the fourth term, or Answer. ' Or, — add together the Arithmetical... | |
 | Jeremiah Joyce - Arithmetic - 1812 - 274 pages
...Divide 56 by 4 ; 8050 by 2.5 ; and 1870 by 55. PROPORTION, OR THE RULE OF THREE BY LOGARITHMS. RULE. Add the logarithms of the second and third terms together, and from the sum subtract ike logarithm of the first ; the remainder is the logarithm of the fourth term. Take... | |
 | Robert Gibson - Surveying - 1814 - 558 pages
...rule in common Arithmetic, write them orderly under one another, with the signs of proportion; Ihen add the Logarithms of the second and third terms together, and from their sum subtract Hie Logarithm of the first term, and the remainder will be the Logarithm of the fourth term, or Answer.... | |
 | Jeremiah Day - Logarithms - 1815 - 172 pages
...logarithms, the fourth term :in a proportion, ADD the logarithms of the SECOND and THIRD terms, and .from the sum SUBTRACT the logarithm of the FIRST term. The remainder will be the logarithm of the term required. Ex. 1. Find a fourth proportional to 7964, 378, and 27960. Numbers. Logarithms. Second... | |
 | Peter Fleming - Surveying - 1815 - 250 pages
...negative, it becomes of the same sign of the dividend, or both negative, and the sum is 3. III. PROPORTION. Add the Logarithms of the second and third terms together, and from the sum subtract the Logarithm of the first by the rules of the preceding examples — the remainder... | |
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ADD the logarithms of the SECOND and THIRD terms, and .from the sum SUBTRACT the logarithm of the FIRST term. 
