An elementary course of practical mathematics, Parte31851 |
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Página 236
... equal to the sum of the logarithms of the multiplicand and multi- plier . or - Again : suppose it were required to divide 64 by 16 ; take their logarithms , 6 and 4 , in the above series ; the difference of these is two . We look for 2 ...
... equal to the sum of the logarithms of the multiplicand and multi- plier . or - Again : suppose it were required to divide 64 by 16 ; take their logarithms , 6 and 4 , in the above series ; the difference of these is two . We look for 2 ...
Página 247
... integer , and make compensation for so doing , by removing the decimal point an equal number of places to the right in the second or third term , or in both together . EXAMPLE 3. As 36 : 1 :: 728 : 3.6 247 OF LOGARITHMS . 15.
... integer , and make compensation for so doing , by removing the decimal point an equal number of places to the right in the second or third term , or in both together . EXAMPLE 3. As 36 : 1 :: 728 : 3.6 247 OF LOGARITHMS . 15.
Página 249
... equal to the number of places it was previously removed to the right in the second and third terms together . EXAMPLE 7. As 5 · 33 : 0 · 28 :: 0 · 055 : As 5 · 33 .................................... ... 0.726727 Is to 2.80 ...
... equal to the number of places it was previously removed to the right in the second and third terms together . EXAMPLE 7. As 5 · 33 : 0 · 28 :: 0 · 055 : As 5 · 33 .................................... ... 0.726727 Is to 2.80 ...
Página 254
... equal quality in France , containing 1,677 ares , supposing it let on the same terms ; an imperial acre con- taining 4,840 square yards , and an are of French measure containing 119.6 square yards , imperial ? As 38.75 x 4,840 1,677 ...
... equal quality in France , containing 1,677 ares , supposing it let on the same terms ; an imperial acre con- taining 4,840 square yards , and an are of French measure containing 119.6 square yards , imperial ? As 38.75 x 4,840 1,677 ...
Página 256
... equal quality : the owner offers to let me have this on the same terms as the estate . What will be the price , the Scotch acre being equivalent to 1.261 imperial acre ? Ans . £ 225 , 14s . + . 5. What is the interest of £ 1,578 for 139 ...
... equal quality : the owner offers to let me have this on the same terms as the estate . What will be the price , the Scotch acre being equivalent to 1.261 imperial acre ? Ans . £ 225 , 14s . + . 5. What is the interest of £ 1,578 for 139 ...
Términos y frases comunes
angle opposite angles of elevation angular elevation arc BC arithmetical series artificial horizon chains CHAPTER VII ciphers circle column compasses compound interest Compute Cosec Cosine Cotang cube roots decimal point degrees and minutes diagram diameter Divide divisor EDINBURGH EXAMPLE EXERCISES IN CHAPTER extract the square feet figure an integer find the Angles Find the logarithms four figures fourth term geometrical progression given angle given leg given number given side horizontal angles hypothenuse inches instrument LOGARITHMIC SCALES Logarithmic Sine measured miles Multiply NOTE number of degrees object observed opposite the former opposite the latter Perp perpendicular PLANE TRIGONOMETRY Price PROBLEM II PROBLEM VII quadrant quotient radius remove the decimal right-angled triangle Secant sextant side opposite Sliding Rule spirit level square root station Subtract SUTHERLAND AND KNOX Table Tang tangent telescope theodolite third side three figures three sides Treatise versed-sine vertex vertical angle yards
Pasajes populares
Página 282 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Página 274 - RULE. — Subtract the square of the base from the square of the hypothenuse, and extract the square root of the remainder.
Página 377 - Key to above 60 3. Complete Practical Treatise on the Nature and Use of Logarithms, and on Plane Trigonometry, with Logarithmic and Trigonometrical Tables, . 5 0 4.
Página 245 - To find, then, by logarithms, the fourth term in a proportion, ADD THE LOGARITHMS OF THE SECOND AND THIRD TERMS, AND from the sum SUBTRACT THE LOGARITHM OF THE FIRST TERM.
Página 279 - From D as a center with a radius equal to a, draw an arc intersecting El in F and F'.
Página 292 - ... the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged.
Página 279 - Let abc (fig. 1 14) be a spherical triangle, whose sphere has its centre in o, and unity for radius. If now from c, on the plane aob, we let fall the perpendicular cd; from d on ae, bo, the perpendiculars de, df, and draw ce, cf; it would be easy to show that the triangles ceo, cfo are right angles...
Página 278 - To find a side, work the following proportion: — as the sine of the angle opposite the given side is to the sine of the angle opposite the required side, so is the given side to the required side.
Página 243 - BY LOGARITHMS. RULE. FROM the logarithm of the dividend subtract the logarithm of the divisor, and the number answering to the remainder will be the quotient required.
Página 284 - That is, as the base, is to the sum of the two sides; so is the difference of the sides, to the sum of the segments of the base.