A Treatise on Surveying,: Containing the Theory and Practice: : to which is Prefixed a Perspicuous System of Plane Trigonometry. : The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. : Particularly Adapted to the Use of SchoolsKimber and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 - 206 páginas |
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Página 17
... RULE . Add the decimal parts of the logarithms as before , and if there be any to carry from the decimal part , add it to the affirmative index or indices , or else subtract it from the negative . Then add the indices together , when ...
... RULE . Add the decimal parts of the logarithms as before , and if there be any to carry from the decimal part , add it to the affirmative index or indices , or else subtract it from the negative . Then add the indices together , when ...
Página 18
... .019 . Ans . 63.25 . PROBLEM IV . To divide numbers by means of Logarithms . CASE 1. When the dividend and divisor are both whole RULE . From the logarithm of the dividend , subtract or mixed numbers . 18 LOGARITHMS .
... .019 . Ans . 63.25 . PROBLEM IV . To divide numbers by means of Logarithms . CASE 1. When the dividend and divisor are both whole RULE . From the logarithm of the dividend , subtract or mixed numbers . 18 LOGARITHMS .
Página 19
... RULE . From the logarithm of the dividend , subtract the lo- garithm of the divisor , the remainder will be the loga- rithm of the quotient . Note . - When the divisor exceeds the dividend , the question must be wrought by the rule ...
... RULE . From the logarithm of the dividend , subtract the lo- garithm of the divisor , the remainder will be the loga- rithm of the quotient . Note . - When the divisor exceeds the dividend , the question must be wrought by the rule ...
Página 21
... RULE . Multiply the logarithm of the given number by the index of the power , viz . by 2 for the square , by 3 for the cube , & c . and the product will be the logarithm of the power . - Note . When the index of the logarithm is ...
... RULE . Multiply the logarithm of the given number by the index of the power , viz . by 2 for the square , by 3 for the cube , & c . and the product will be the logarithm of the power . - Note . When the index of the logarithm is ...
Página 22
... RULE . Divide the logarithm of the given number by the index of the root , that is by 2 for the square root , by 3 for the cube root , & c . and the quotient will be the logarithm of the required root . Note . When the index of the ...
... RULE . Divide the logarithm of the given number by the index of the root , that is by 2 for the square root , by 3 for the cube root , & c . and the quotient will be the logarithm of the required root . Note . When the index of the ...
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column cube root decimal DEMONSTRATION departure corresponding diff difference of latitude Dist divide division line draw equal EXAMPLES feet figures find the angle find the area four-pole chains fourth term given angle given area given bearing given number given ratio given side John Gummere Lat Dep latitude and departure length logarithm M.
M. Sine measured meridian distance natural number off-sets parallel parallelogram perches perpendicular quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC square root station stationary line subtract survey tance Tang tangent tract of land trapezium trapezoid triangle ABC trigonometry