Logarithmick Arithmetick: Containing a New and Correct Table of Logarithms of the Natural Numbers from 1 to 10,000, Extended to Seven Places Besides the Index; and So Contrived, that the Logarithm May be Easily Found to Any Number Between 1 and 10,000,000. Also an Easy Method of Constructing a Table of Logarithms, Together with Their Numerous and Important Uses in the More Difficult Parts of Arithmetick. To which are Added a Number of Astronomical Tables ... and an Easy Method of Calculating Solar and Lunar EclipsesE. Whitman, 1818 - 251 σελίδες |
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Σελίδα 143
... LUNATION , and would always consist of 29 days , 12 hours , 44 minuets , 3 seconds , 2 thirds , and 58 fourths , if the mo- tions of the Sun and Moon were always equable . Hence , 12 mean lunations contain 354 days , 8 hours , 48 ...
... LUNATION , and would always consist of 29 days , 12 hours , 44 minuets , 3 seconds , 2 thirds , and 58 fourths , if the mo- tions of the Sun and Moon were always equable . Hence , 12 mean lunations contain 354 days , 8 hours , 48 ...
Σελίδα 144
... lunations , added to the time of this mean New Moon , will give the time of the mean New Moon in March 1851 , after aba- ting 365 days . But when the mean New Moon happens to be before the 11th of March , we must add 13 mean lunations ...
... lunations , added to the time of this mean New Moon , will give the time of the mean New Moon in March 1851 , after aba- ting 365 days . But when the mean New Moon happens to be before the 11th of March , we must add 13 mean lunations ...
Σελίδα 145
... lunations to those for 1851 , will give them for the time of mean New Moon in March 1852. And so on as far as you ... lunation when the days exceed 294 ) making up co centuries , or 6000 years , as in Table VI . which was car- ried on to ...
... lunations to those for 1851 , will give them for the time of mean New Moon in March 1852. And so on as far as you ... lunation when the days exceed 294 ) making up co centuries , or 6000 years , as in Table VI . which was car- ried on to ...
Σελίδα 146
... lunations increasing gradually in length while the Sun is moving from his apogee , and decreasing in length while he is moving from his perigee to his apogee . On this account the Moon will be later in coming to her conjunction with the ...
... lunations increasing gradually in length while the Sun is moving from his apogee , and decreasing in length while he is moving from his perigee to his apogee . On this account the Moon will be later in coming to her conjunction with the ...
Σελίδα 155
... Lunations . Mean Lunations . Suus mean Anomaly . soon's meau Sun's mean Anomaly distance from No. the Node . D H. M. S " / " / $ 0 8 0 S 0 29 12 44 3 2 59 1 28 6 3 88 14 12 9 4118 2 56 12 5 147 15 40 15 6177 4 14 18 7 206 17 8 21 8236 5 ...
... Lunations . Mean Lunations . Suus mean Anomaly . soon's meau Sun's mean Anomaly distance from No. the Node . D H. M. S " / " / $ 0 8 0 S 0 29 12 44 3 2 59 1 28 6 3 88 14 12 9 4118 2 56 12 5 147 15 40 15 6177 4 14 18 7 206 17 8 21 8236 5 ...
Συχνά εμφανιζόμενοι όροι και φράσεις
amount annuity Anom arithmetical arithmetical mean Arithmetick ascending node axis bushels cent per annum cent pr centre circumference common compound interest cyphers decimal degrees denomination diameter difference Divide dividend divisor dollars dols earth Eclipse Ecliptick enter Table equal errour EXAMPLES farthings feet figures fourth frustrum Full Moon gallons given number horary motion improper fraction inches July least common multiple loga Lunar Eclipse mean Anomaly mean New Moon miles minuets minutes months Moon in March Moon's orbit Multiply natural number North descending number of terms old style pence penumbra perigee pound Precept present worth principal quotient ratio Reduce remainder rithm rods RULE seconds semidiameter shillings signs simple interest solid square root Sun fro Sun's anomaly Sun's distance Sun's mean distance syzygy Tabular number tare third TROY WEIGHT twice equated VULGAR FRACTIONS weight whole numbers yards
Δημοφιλή αποσπάσματα
Σελίδα 128 - ... sought. 3. Multiply the terms of the geometrical series together belonging to those indices, and make the product a dividend, 4. Raise the first term to a power whose index is one less than the number of the terms multiplied, and make the result a divisor. 5. Divide, and the quotient is the term sought. EXAMPLES. 4. If the first of a geometrical series be 4, and the ratio 3, what is the 7th term ? 0, 1, 2, 3, Indices.
Σελίδα 107 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Σελίδα 38 - Finally, multiplying the second and third terms together, divide the product by the first, and the quotient will be the answer in the same denomination as the third term.
Σελίδα 98 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Σελίδα 44 - In like manner, if any one index be subtracted from another, the difference will be the index of that number which is equal to the quotient of the two terms to which those indices belong.
Σελίδα 127 - RULE.* 1. Write down a few of the leading terms of the series, and place their indices over them, beginning with a cypher.
Σελίδα 114 - Let the farthings in the given pence and farthings possess the second and third places ; observing to increase the second place or place of hundredths, by 6 if the shillings be odd ; and the third place by 1 "when the farthings exceed 12, and by 2 when they exceed 36.
Σελίδα 125 - RULE. Multiply the sum of the extremes by the number of terms, and half the product will be the sum of the terms. EXAMPLES FOR PRACTICE. 2. If the extremes be 5 and 605, and the number of terms 151, what is the sum of the series?
Σελίδα 6 - Four points set in the middle of four numbers, denote them to be proportional to one another, by the rule of three ; as 2 : 4 : : 8 : 16 ; that is, as 2 to 4, so is 8 to 16.