 | Charles Butler - Mathematics - 1814 - 540 pages
...affirmative, or + . RULE I. Seek in the table the logarithms of the factors, place them one under another, and add them together ; their sum will be the logarithm of the product. II. Seek this logarithm in the table, and the natural number answering to it will be the product required... | |
 | Abel Flint - Surveying - 1830 - 322 pages
...following rule will be obvious. TAKE FROM THS TABLE THE LOGARITHMS OF THE NUMBERS TO BE MULTIPLIED, AND ADD THEM TOGETHER. THEIR SUM WILL BE THE LOGARITHM OF THE PRODUCT. EXAMPLES. 1. Multiply 29.15 by 9.4635. Log. 29.15=1.464639 Log. 9.4635=0.976052 Product, 275.86 139... | |
 | John Fry Heather - Drawing instruments - 1871 - 236 pages
...logarithms, the following remarkable properties will be observed : — If any two of the logarithms are added together, their sum will be the logarithm of the product of the numhers to which they belong : thus, in the system, Logarithms 012345, &c., Numbers 1 2 4 8 16 32,... | |
 | Henry W. Jeans - 1873 - 272 pages
...7-875061 „ .... -00000075 3-602060 „ .... -004 2-394452 „ .... -0248 EULE V. Multiplication by logarithms. (14). Take out the logarithms of the given...corresponding to which is therefore the product required.* * In Part II. it is shown that log. nmp =log.»+log. m+ log. />+.... EXAMPLES. Required the product... | |
 | Henry William Jeans - 1873 - 292 pages
...7-875061 „ .... -00000075 3-602060 „ .... -004 2-394452 „ .... -0248 EULE V. Multiplication by logarithms. (14). Take out the logarithms of the given...corresponding to which is therefore the product required.* * In Part II. it is shown that log. n mp =log. я+log. m+ log.p+ — EXAMPLES. Eequired the product... | |
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.... -6945 7-875061 „ .... -00000075 3-602060 „ .... -004 2-394452 „ .... -0248 EULE V. Multiplication by logarithms. (14). Take out the logarithms of the given numbers from the tables ; add them together : their sum will be the logarithm of the... 