| Charles Hutton - Mathematics - 1785 - 344 pages
...factors, produits, and quotients for finding the logarithms of all other prime numbers up to IOO. The loth **chapter is employed in teaching how to find the logarithms of fractions, namely by** fubtraiting the logarithm of the denominator from that of the numerator, then the logarithm of the... | |
| Andrew Mackay - Astronomy - 1804 - 324 pages
...remainder, added to the logarithm, answering to the first The logarithm of a vulgar-fraction is found **by subtracting the logarithm of the denominator from that of the numerator** ; and that of a mixed quantity is found by reducing it to an improper fraction, and proceeding as before.... | |
| Isaac Dalby - Mathematics - 1807
...figure when the natural number consists of 6 figures. 1 76. The logarithm of a vulgar fraction is found **by subtracting the logarithm of the denominator from that of the numerator** : Thus to find the log. of f£f : 117 log. 2-058186 H7 log. 2-167317 — T500S69 log. of f^. Or the... | |
| Charles Hutton - Mathematics - 1811 - 133 pages
...factors, products, and quotients for finding the logarithms of all other prime numbers up to 100. The 10th **chapter is employed in teaching how to find the logarithms...then the logarithm of the fraction is the remainder** : whicli therefore is either abundant or defective, that is positive or negative, as the fraction is... | |
| Surveying - 1814
...the proper index prefixed, is the required logarithm. 5. The logarithm of a vulgar-fraction is found **by subtracting the logarithm of the denominator from that of the numerator** ; and that of a mixed quantity is found by reducing it to an improper fraction, aad proceeding as before.... | |
| Solomon Pearson Miles, Thomas Sherwin - Logarithms - 1830 - 10 pages
...a fraction represents the division of the numerator by the denominator, its logarithm will be found **by subtracting the logarithm of the denominator from that of the numerator.** But the logarithm of 1 being 0, that of a fraction less than unity, will be negative. Thus, the logarithm... | |
| Mathematics - 1834 - 428 pages
...first four figures, will be the logarithm required nearly. The logarithm of a vulgar fraction is found **by subtracting the logarithm of the denominator from that of the numerator** ; and that of a mixed quantity is found by reducing it to an improper fraction, and proceeding as before... | |
| Society for the Difussion of Useful Knowledge - 1839
...done for all whole numbers within the given limits, the logarithm of any fraction is readily found **by subtracting the logarithm of the denominator from that of the numerator.** It must be admitted that Briggs, by his construction of the decimal system, divides with Napier the... | |
| 1839
...done for all whole numbers within the given limits, the logarithm of any fraction is readily found **by subtracting the logarithm of the denominator from that of the numerator.** It must be admitted that Briggs, by bis construction of the decimal system, divides with Napier the... | |
| |