## Tables of Logarithms of Numbers and of Sines and Tangents for Every Ten Seconds of the Quadrant: With Other Useful TablesHarper & Brothers, 1857 - 150 pages |

### From inside the book

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Page vi

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**characteristic**, and may be known from the following RULE . The**characteristic**of the logarithm of a number greater than unity , is one less than the number of integral figures in the given number . Thus the logarithm of 297 is 2 plus a ... Page vii

... c . If the given number was 72501 , the

... c . If the given number was 72501 , the

**characteristic**of its logarithm If it were required to find the correction for a would be 4 , but the decimal part would be the same as for 7250.1 , EXPLANATION OF THE TABLES . vii. Page viii

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**characteristic**according to the usual rule . EXAMPLES . The logarithm of 345.6 66 66 66 46 is 2.538574 ; 66 87.65 is 1.942752 ; 66 2.345 is 0.370143 ; .1234 is 1.091315 ; The minus sign is placed over the**characteristic**to show -66 ... Page ix

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**characteristic**; the other four figures are to be looked for in the same column , or in one of the nine following col- umns ; and if they are exactly found , the first three figures of the corre- sponding number will be found opposite ... Page xii

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**characteristic**of its logarithm is negative . To obviate this inconvenience , the char- acteristics in the table have all been increased by 10 ; or the logarith- mic sines may be regarded as the logarithms of natural sines computed for ...### Other editions - View all

### Common terms and phrases

12 Degrees 13 Degrees 76 Degrees 77 Degrees 85 Degrees 9 I I 9 II 9 ΙΟ 9Min A-log A+ log arc corresponding arc expressed arc less arithmic bottom characteristic Co-sine of 16 Co-tangent of 15 Co-tangent of 87 column headed computed corresponding to logarithmic cosecant cosine of 59 difference of latitude Dist expressed in seconds fifth figure find the arc find the Logarithm found exactly given number Hence the required latitude and departure leading figures logarithmic cosine logarithmic cotangent logarithmic sine logarithmic tangent LOGARITHMS OF NUMBERS manner we find middle latitude Natural Co-sines Natural Co-tangents natural number natural sines number of seconds prefixed proportional quadrant radius Required the logarithmic secant sine of 24 Sine of 73 Sine of 9 Sine or Tangent sines and tangents subtract TABLE OF LOGARITHMIC table of natural tabular difference tabular number tangent of 73 vertical column Vulgar Fraction ΙΙΟ ΙΟΙ