Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers

682 molesworth’s pocket-book Logarithm of Numbers from 0 to 1000—continued. Ö X 0 1 2 3 1 6 6 » 8 9 1 p. 2 71 85126 85187 85248 85309 85370'85431'85491'85552 85612 85673 61 72 85733 85794 85854 85914i85974 86034 86094 86153 86213 86273 60 73 86332 86392 86451 80510 86570 86629 86688 86747 86806 86864 59 74 86923 86982 87040 87099 87157 87216 87274 87332 87390 87448 58 75 87506 8756487622 87680 87737 87795 87852 87910 87967 88024 57 76 88081 88138,88196 88252 88309 88366 88423 88480 88536 88593 57 77 88649 88705 88762 88818 88874 88930 88986 89042 89098 S9154 56 78 89209 89265189321 89376 89432 89487 89542 89597 89653 89708 55 79 89763 89818:89873 89927 89982 90037 90091 90146 90200 90255 54 80 90309 90363 90417 90472 90526 90580 90634 90687 90741 90795 54 81 90849 90902 90956 91009 91062 91116 91169,91222 91275 91328 53 82 91381 91434 91487 91540 91593 91645 91698|91751 91803 91855 53 83 91908 91960 92012 92065 92117 92169:92221’92273 92324 92376 52 84 92428 92480 92531 92583 92634 92686 92737 92788 92840 92891 51 85 92942 92993 93044 93095 93146 93197 93247 93298 93349 93399 51 86 93450 93500 93551 93601 93651 93702 93752 93802 93852 93902,50 87 93952 94002 94052 94101 94151 94201 94250)94300 94349 94399)49 88 94448 94498 94547 94596 94645 94694 94743'94792 95182 95231'95279 94841 94890 49 89 94939 94988 95036 95085 95134 95328195376 48 90 95424 95472 95521 95569 95617 95665 95713 95761 95809 95856 -48 91 95904 95952 95999 96047 96095(96142 96190,96237 96284 96332;48 9 2 96379 96426 96473 96520 96567|966U 96661 96708 96755 96802 47 93 96848 96895 96942 96988 97035:97081,97128:97174 97220 97267 47 94 97313 ^359 97405 97451 97497 97543 97589,97635 97681 97727 46 95 97T72 97818 97864 97909 97955,98000 98046,98091 98137 98182 46 96 98227 98272 98318 98363 98408 98453 9849808543 .98588 98632 45 97 98677 98722 98767 98811 98856 98900 98945 98989 ,99034198078 45 98 99123 99167 99211 99255 99300,99344 99388 99432 99476 99520 44 89 99564 99607 ■ 1 99651 89695 1 99739 99782 99826 99870.99913 Illi J99957 44 To multiply by logarithms add the logarithms together and find the corresponding number. To divide by logarithms subtract one from the other. To extract the root divide the logarithm by the index of the root and find the number correspewding to it. To raise a number to any power multiply the logarithm by tha index of tbc power and find the corresponding number.