A Treatise of Practical Surveying: Which is Demonstrated from Its First Principles. Wherein Every Thing that is Useful and Curious in that Art, is Fully Considered and Explained ... The Whole Illustrated with CopperplatesP. Wogan, 1795 - 319 páginas |
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Página 6
... Quotient . For the Dividend is a Product contained under the Divifor and Quotient ; and that Product contains as many Places of Decimals as the Numbers do from whence it arofe : Therefore the Difference between the Number of Decimals in ...
... Quotient . For the Dividend is a Product contained under the Divifor and Quotient ; and that Product contains as many Places of Decimals as the Numbers do from whence it arofe : Therefore the Difference between the Number of Decimals in ...
Página 7
... Quotient ; but as the Quotient itself con- fifts of but 10 Figures , we prefix to them a Cy- pher to compleat that Number . Divide 1.728 by .012 .012 ) 1.728 ( 144 52 48 Because Because the Number of decimal Figures in the Divifor and ...
... Quotient ; but as the Quotient itself con- fifts of but 10 Figures , we prefix to them a Cy- pher to compleat that Number . Divide 1.728 by .012 .012 ) 1.728 ( 144 52 48 Because Because the Number of decimal Figures in the Divifor and ...
Página 8
... Quotient will be Integers . Divide 2.00000 by 3.1416 3.1416 ) 2.00000 ( .636618 115040 207920 194240 57440 260240 8912 There being 4 decimal Figures in the Divifor , and 10 including the Cyphers brought down in the Divi- dend , the ...
... Quotient will be Integers . Divide 2.00000 by 3.1416 3.1416 ) 2.00000 ( .636618 115040 207920 194240 57440 260240 8912 There being 4 decimal Figures in the Divifor , and 10 including the Cyphers brought down in the Divi- dend , the ...
Página 9
... Quotient will be the Answer . Reduce to a Decimal Fraction . 5 ) 2.0 ( .4 Answer , Reduce to a Decimal Fraction . 25 ) 12.00 ( .48 Answer . 200 25 Reduce 2 to a Decimal Fraction . 2 g Anfwer .1146789 . PROB . II . To find the Value of a ...
... Quotient will be the Answer . Reduce to a Decimal Fraction . 5 ) 2.0 ( .4 Answer , Reduce to a Decimal Fraction . 25 ) 12.00 ( .48 Answer . 200 25 Reduce 2 to a Decimal Fraction . 2 g Anfwer .1146789 . PROB . II . To find the Value of a ...
Página 11
... Quotient thereof with the Root , or former Quotient ; and having multipled it into the Numbers fo formed , deduct the Product from the foregoing Figures or Refolvend : And in like Manner proceed , ' till all the Figures of the given ...
... Quotient thereof with the Root , or former Quotient ; and having multipled it into the Numbers fo formed , deduct the Product from the foregoing Figures or Refolvend : And in like Manner proceed , ' till all the Figures of the given ...
Términos y frases comunes
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Pasajes populares
Página 13 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on.
Página 88 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Página 56 - ... logarithm of that number. EXAMPLE. • Required, the logarithm of 365. Answer, 2.56229. And though most tables of logarithms run but to 10000, yet by them the log. of any number not exceeding 10,000,000 may be found, and on the contrary, the number to any such logarithm, thus : 1 Find the log. of the first four figures of the given number 2. Take that log. from the log: of the number next following, and note their difference, 3. Multiply that difference by the remaining figures of the given number...
Página 91 - In the triangle ABC, there is given AB 240, the angle A 46° 30', and BC 200, to find the angle C, being acute, the angle B, and the side AC.
Página 89 - ED. that is as the sum of the two sides AB and BC, is to their difference ; so is the tangent of half the sum of the two unknown angles A and C, to the tangent of half their difference.
Página 32 - KCML, the sum of the two parallelograms or square BCMH ; therefore the sum of the squares on AB and AC is equal to the square on BC.
Página 19 - Four quantities are said to be in proportion when the product of the extremes is equal to that of the means, thus if A multiplied by D, be equal to B multiplied by C, then A is said to be to B as C is to D. POSTULATES OR PETITIONS. 1 . That a right line may be drawn from any one given point to another. 2. That a right line may be produced or continued at pleasure. 3. That from any centre and with any radius, the circumference of a circle may be described.
Página 13 - A chord is a right line drawn from one end of an arc or arch (that is, any part of the circumference of a circle) to the other ; and is the measure of the arc. Thus the right line HG, is the measure of the arc HBG.
Página 72 - ... these three proportions, for DE we put its equal be, for AE put ab, and for AD put ac, they will become AB : ab : : AC : ас, and AB : ab : : BC : be, and AC : ac : : BC : be.
Página 285 - Then if the true and magnetic amplitudes, be both north or both south, their difference is the variation ; but if one be north and the other south, their sum is the variation ; and to know whether it be easterly or westerly, suppose the observer looking...