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Books Books 1 - 10 of 53 on To find then the logarithm of a vulgar fraction, subtract the logarithm of the denominator....  
" To find then the logarithm of a vulgar fraction, subtract the logarithm of the denominator from that of the numerator. "
The shipwright's vade-mecum [by D. Steel]. - Page 21
by David Steel - 1805
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Sherwin's mathematical tables: contriv'd after a most comprehensive method ...

Henry Sherwin - Mathematics - 1742 - 110 pages
...fame as by the Table. 542375 6-7343O3 VI. A proper Fr&Rion being given, io find it's Logarithm. Subtract the Logarithm of the denominator from the Logarithm of the numerator, the remainder is the Ixig. fought, and is always the Logarithm of a Decimal Fraction. Note, The Index...
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Sherwin's mathematical tables: contriv'd after a most comprehensive method ...

Henry Sherwin - Mathematics - 1742 - 110 pages
...fame as by the Table. 542375 6.7343003 VI. A proper Frafiion being given, to find it's Logarithm. Subtract the Logarithm of the denominator from the Logarithm of the numerator, the remainder is the Log. fought, andisalways the Logarithm of a Decimal' Fraction. Note, The Index...
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Mathematics: Compiled from the Best Authors and Intended to be the ..., Volume 1

Mathematics - 1801
...characteristic being prefixed, will give the logarithm required. And if the given number be a proper fraction, subtract the logarithm of the denominator from the logarithm of the numerator, and the remainder will be the logarithm sought ; which, being that of a decimal fraction, must always...
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An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - Navigation - 1810 - 420 pages
...a vulgar fraction. RULE. Reduce compound fractions, mixed fractions, &c. to simple fractions. Then subtract the logarithm of the denominator from the logarithm of the numerator ; if you carry 1, add it to the index of the logarithm of the denominator; then take the difference...
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Mathematical Tables;: Containing the Common, Hyperbolic, and Logistic ...

Charles Hutton - Mathematics - 1811 - 133 pages
...a decimal, and find its logarithm as above. Or else (having reduced the mixt number to an improper fraction), subtract the logarithm of the denominator from the logarithm of the numerator, and the remainder will be the logarithm of the fraction sought. JEr. 1.Tofindthelog.of.,^orO-1875....
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An Introduction to Algebra: With Notes and Observations: Designed for the ...

John Bonnycastle - Algebra - 1811 - 220 pages
...to the proper characteristic, will give the logarithm required. And if the given number is a proper fraction, subtract the logarithm of the denominator from the logarithm of the numerator, and the remainder will be the logarithm sought; which, being that of a decimal fraction, must always...
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A Course of Mathematics ...: For the Use of Academies, as Well as ..., Volume 1

Charles Hutton - Mathematics - 1812
...prefixed to it the proper index, will give the logarithm required. 5. And if the given number be a proper vulgar fraction : subtract the logarithm of the denominator from the logarithm of the numerator, and the remainder will be the logarithm sought ; which, being that of a decimal fraction, must always...
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A practical application of the principles of geometry to the mensuration of ...

Jeremiah Day - Measurement - 1815 - 96 pages
...logarithms of two num-bers, is the logarithm of the quotient of those numbers. (Art. 1 .) To find then the logarithm of a vulgar fraction, subtract the logarithm of the denominator from that of the numerator. The difference will be the logarithm of the fraction. Or the logarithm may be...
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A Treatise of Plane Trigonometry: To which is Prefixed, a Summary View of ...

Jeremiah Day - Logarithms - 1815 - 126 pages
...logarithms of two numbers, is the logarithm of the quotient of those numbers. (Art. I.) To find then the logarithm of a vulgar fraction, subtract the logarithm of the denominator from that of the numerator. T?he difference will be the logarithm of the fraction. Or the logarithm may...
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A system of land surveying and levelling: wherein is demonstrated the theory ...

Peter Fleming - Technology & Engineering - 1815 - 164 pages
...vulgar fraction to a decimal, and find its Logarithm by the preceding examples for whole numbers ; or subtract the Logarithm of the denominator from the Logarithm of the numerator, and the remainder will be the Logarithm wanted; as, ^=3.125 Logarithm of is 0.4948500, which was required...
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