Tables of Logarithms of Numbers and of Sines and Tangents for Every Ten Seconds of the Quadrant: With Other Useful TablesHarper & brothers, 1859 - 150 páginas |
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Página 8
... required to multiply two or more numbers by each other , we have only to add their logarithms : the sum will be the logarithm of their product . We then look in the table for the number answering to that logarithm , in order to obtain ...
... required to multiply two or more numbers by each other , we have only to add their logarithms : the sum will be the logarithm of their product . We then look in the table for the number answering to that logarithm , in order to obtain ...
Página 11
... characteristic of its log- arithm would be 4 , but the decimal part would be the same as for 7250.1 . If it were required to find the correction for a sixth figure in the natural number , it is readily obtained from LOGARITHMS . 11.
... characteristic of its log- arithm would be 4 , but the decimal part would be the same as for 7250.1 . If it were required to find the correction for a sixth figure in the natural number , it is readily obtained from LOGARITHMS . 11.
Página 12
... Required the logarithm of 452789 . The logarithm of 452700 is 5.655810 . The tabular difference is 96 . Accordingly , the correction for the fifth figure , 8 , is 77 , and for the sixth figure , 9 , is 8.6 , or 9 nearly . Adding these ...
... Required the logarithm of 452789 . The logarithm of 452700 is 5.655810 . The tabular difference is 96 . Accordingly , the correction for the fifth figure , 8 , is 77 , and for the sixth figure , 9 , is 8.6 , or 9 nearly . Adding these ...
Página 14
... Required the number belonging to the logarithm 4.368399 . On page 6 , we find the next less logarithm .368287 . The four corresponding figures of the natural number are 2335. Their logarithm is less than the one proposed by 112 . The ...
... Required the number belonging to the logarithm 4.368399 . On page 6 , we find the next less logarithm .368287 . The four corresponding figures of the natural number are 2335. Their logarithm is less than the one proposed by 112 . The ...
Página 15
... Required the product of 397.65 by 43.78 . Ans . , 17409.117 . Ex . 3. Required the continued product of 54.32 , 6.543 , and 12.345 . The word sum , in the preceding rule , is to be understood in its algebraic sense ; therefore , if any ...
... Required the product of 397.65 by 43.78 . Ans . , 17409.117 . Ex . 3. Required the continued product of 54.32 , 6.543 , and 12.345 . The word sum , in the preceding rule , is to be understood in its algebraic sense ; therefore , if any ...
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Términos y frases comunes
9 I I altitude angle of elevation arithm base chains circle Co-sine Co-tangent complement computed correction cosecant course and distance decimal diameter diff difference of latitude difference of longitude Dist divided equal equator fifth figure find the angles find the area find the Logarithm frustum given number given the angle height Hence horizontal plane hypothenuse inches latitude and departure length LO LO LO logarithmic sine measured meridian middle latitude miles minutes Multiply natural number nautical miles parallel parallel sailing perpendicular places plane sailing Prob Prop proportional quadrant radius Required the logarithmic right-angled spherical triangle right-angled triangle Sandy Hook secant ship sails side AC spherical triangle ABC SPHERICAL TRIGONOMETRY station subtract surface tabular number tang Tangent telescope theodolite Theorem vernier vertical Vulgar Fraction wyll yards zoids ΙΙ ΙΟ
Pasajes populares
Página 20 - The circumference of every circle is supposed to be divided into 360 equal parts, • called degrees, each degree into 60 minutes, and each minute into 60 seconds, etc.
Página 163 - In any spherical triangle, the sines of the sides are proportional to the sines of the opposite angles. In the case of right-angled spherical triangles, this proposition has already been demonstrated.
Página 69 - FIND the area of the sector having the same arc with the segment, by the last problem. Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector.
Página 54 - 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 69 - TO THE NUMBER OF DEGREES IN THE ARC ; So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR.
Página 73 - To find the solidity of a pyramid. RULE. Multiply the area of the base by one third of the altitude.
Página vi - The characteristic of the logarithm of ANY NUMBER GREATER THAN UNITY, is one less than the number of integral figures in the given number.
Página 184 - If a heavy sphere, whose diameter is 4 inches, be let fall into a conical glass, full of water, whose diameter is 5, and altitude 6 inches ; it is required to determine how much water will run over ? AHS.