Logarithm Table for base 1900
This page shows the logarithm table for base 1900, in blocks of 100 values — each block covers one whole number N (its row lists N.0 through N.9, and each row's 10 columns walk the hundredths digit 0 through 9). Hover any cell to trace it back to its row and column, or print a block directly from its own header.
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Logarithm Table for base 1900 — N = 1.00–1.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 0.000000 | 0.001318 | 0.002623 | 0.003915 | 0.005195 | 0.006463 | 0.007718 | 0.008962 | 0.010194 | 0.011415 |
| 1.1 | 0.012625 | 0.013823 | 0.015011 | 0.016189 | 0.017356 | 0.018512 | 0.019659 | 0.020796 | 0.021924 | 0.023041 |
| 1.2 | 0.024150 | 0.025249 | 0.026339 | 0.027421 | 0.028493 | 0.029557 | 0.030612 | 0.031660 | 0.032698 | 0.033729 |
| 1.3 | 0.034752 | 0.035767 | 0.036774 | 0.037774 | 0.038766 | 0.039751 | 0.040729 | 0.041699 | 0.042662 | 0.043619 |
| 1.4 | 0.044568 | 0.045511 | 0.046447 | 0.047377 | 0.048300 | 0.049216 | 0.050127 | 0.051031 | 0.051929 | 0.052821 |
| 1.5 | 0.053707 | 0.054587 | 0.055461 | 0.056330 | 0.057193 | 0.058050 | 0.058902 | 0.059748 | 0.060589 | 0.061425 |
| 1.6 | 0.062255 | 0.063081 | 0.063901 | 0.064716 | 0.065526 | 0.066331 | 0.067132 | 0.067927 | 0.068718 | 0.069504 |
| 1.7 | 0.070286 | 0.071062 | 0.071835 | 0.072603 | 0.073366 | 0.074125 | 0.074880 | 0.075630 | 0.076377 | 0.077119 |
| 1.8 | 0.077857 | 0.078590 | 0.079320 | 0.080046 | 0.080768 | 0.081486 | 0.082200 | 0.082910 | 0.083616 | 0.084319 |
| 1.9 | 0.085018 | 0.085713 | 0.086405 | 0.087093 | 0.087778 | 0.088459 | 0.089136 | 0.089810 | 0.090481 | 0.091148 |
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Logarithm Table for base 1900 — N = 2.00–2.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2.0 | 0.091812 | 0.092473 | 0.093130 | 0.093784 | 0.094435 | 0.095083 | 0.095728 | 0.096369 | 0.097007 | 0.097643 |
| 2.1 | 0.098275 | 0.098904 | 0.099530 | 0.100154 | 0.100774 | 0.101392 | 0.102006 | 0.102618 | 0.103227 | 0.103833 |
| 2.2 | 0.104437 | 0.105038 | 0.105636 | 0.106231 | 0.106824 | 0.107414 | 0.108001 | 0.108586 | 0.109168 | 0.109748 |
| 2.3 | 0.110325 | 0.110899 | 0.111472 | 0.112041 | 0.112609 | 0.113173 | 0.113736 | 0.114296 | 0.114854 | 0.115409 |
| 2.4 | 0.115962 | 0.116513 | 0.117061 | 0.117608 | 0.118152 | 0.118693 | 0.119233 | 0.119770 | 0.120305 | 0.120838 |
| 2.5 | 0.121369 | 0.121898 | 0.122425 | 0.122949 | 0.123472 | 0.123992 | 0.124511 | 0.125027 | 0.125542 | 0.126054 |
| 2.6 | 0.126564 | 0.127073 | 0.127579 | 0.128084 | 0.128587 | 0.129087 | 0.129586 | 0.130083 | 0.130579 | 0.131072 |
| 2.7 | 0.131563 | 0.132053 | 0.132541 | 0.133027 | 0.133511 | 0.133994 | 0.134475 | 0.134954 | 0.135431 | 0.135907 |
| 2.8 | 0.136380 | 0.136853 | 0.137323 | 0.137792 | 0.138259 | 0.138725 | 0.139189 | 0.139651 | 0.140112 | 0.140571 |
| 2.9 | 0.141029 | 0.141485 | 0.141939 | 0.142392 | 0.142843 | 0.143293 | 0.143741 | 0.144188 | 0.144633 | 0.145077 |
Logarithm Table for base 1900 — N = 3.00–3.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3.0 | 0.145519 | 0.145960 | 0.146399 | 0.146837 | 0.147274 | 0.147709 | 0.148142 | 0.148574 | 0.149005 | 0.149434 |
| 3.1 | 0.149862 | 0.150289 | 0.150714 | 0.151138 | 0.151561 | 0.151982 | 0.152402 | 0.152820 | 0.153237 | 0.153653 |
| 3.2 | 0.154068 | 0.154481 | 0.154893 | 0.155304 | 0.155713 | 0.156121 | 0.156528 | 0.156934 | 0.157338 | 0.157742 |
| 3.3 | 0.158144 | 0.158544 | 0.158944 | 0.159342 | 0.159740 | 0.160135 | 0.160530 | 0.160924 | 0.161316 | 0.161708 |
| 3.4 | 0.162098 | 0.162487 | 0.162875 | 0.163261 | 0.163647 | 0.164032 | 0.164415 | 0.164797 | 0.165178 | 0.165558 |
| 3.5 | 0.165937 | 0.166315 | 0.166692 | 0.167068 | 0.167443 | 0.167816 | 0.168189 | 0.168560 | 0.168931 | 0.169300 |
| 3.6 | 0.169669 | 0.170036 | 0.170403 | 0.170768 | 0.171133 | 0.171496 | 0.171858 | 0.172220 | 0.172580 | 0.172940 |
| 3.7 | 0.173298 | 0.173656 | 0.174012 | 0.174368 | 0.174722 | 0.175076 | 0.175429 | 0.175781 | 0.176132 | 0.176481 |
| 3.8 | 0.176830 | 0.177179 | 0.177526 | 0.177872 | 0.178217 | 0.178562 | 0.178906 | 0.179248 | 0.179590 | 0.179931 |
| 3.9 | 0.180271 | 0.180610 | 0.180949 | 0.181286 | 0.181623 | 0.181959 | 0.182293 | 0.182627 | 0.182961 | 0.183293 |
Logarithm Table for base 1900 — N = 4.00–4.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4.0 | 0.183625 | 0.183955 | 0.184285 | 0.184614 | 0.184943 | 0.185270 | 0.185597 | 0.185923 | 0.186248 | 0.186572 |
| 4.1 | 0.186895 | 0.187218 | 0.187540 | 0.187861 | 0.188181 | 0.188501 | 0.188820 | 0.189138 | 0.189455 | 0.189772 |
| 4.2 | 0.190087 | 0.190402 | 0.190717 | 0.191030 | 0.191343 | 0.191655 | 0.191966 | 0.192277 | 0.192587 | 0.192896 |
| 4.3 | 0.193204 | 0.193512 | 0.193819 | 0.194125 | 0.194431 | 0.194735 | 0.195040 | 0.195343 | 0.195646 | 0.195948 |
| 4.4 | 0.196249 | 0.196550 | 0.196850 | 0.197149 | 0.197448 | 0.197746 | 0.198043 | 0.198340 | 0.198636 | 0.198931 |
| 4.5 | 0.199226 | 0.199520 | 0.199813 | 0.200106 | 0.200398 | 0.200689 | 0.200980 | 0.201270 | 0.201560 | 0.201849 |
| 4.6 | 0.202137 | 0.202425 | 0.202712 | 0.202998 | 0.203284 | 0.203569 | 0.203854 | 0.204138 | 0.204421 | 0.204704 |
| 4.7 | 0.204986 | 0.205267 | 0.205548 | 0.205829 | 0.206108 | 0.206387 | 0.206666 | 0.206944 | 0.207221 | 0.207498 |
| 4.8 | 0.207774 | 0.208050 | 0.208325 | 0.208600 | 0.208874 | 0.209147 | 0.209420 | 0.209692 | 0.209964 | 0.210235 |
| 4.9 | 0.210506 | 0.210776 | 0.211045 | 0.211314 | 0.211583 | 0.211850 | 0.212118 | 0.212384 | 0.212651 | 0.212916 |
Logarithm Table for base 1900 — N = 5.00–5.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5.0 | 0.213182 | 0.213446 | 0.213710 | 0.213974 | 0.214237 | 0.214500 | 0.214762 | 0.215023 | 0.215284 | 0.215545 |
| 5.1 | 0.215805 | 0.216064 | 0.216323 | 0.216581 | 0.216839 | 0.217097 | 0.217354 | 0.217610 | 0.217866 | 0.218122 |
| 5.2 | 0.218377 | 0.218631 | 0.218885 | 0.219139 | 0.219392 | 0.219644 | 0.219896 | 0.220148 | 0.220399 | 0.220650 |
| 5.3 | 0.220900 | 0.221149 | 0.221399 | 0.221647 | 0.221896 | 0.222143 | 0.222391 | 0.222638 | 0.222884 | 0.223130 |
| 5.4 | 0.223376 | 0.223621 | 0.223865 | 0.224109 | 0.224353 | 0.224596 | 0.224839 | 0.225082 | 0.225324 | 0.225565 |
| 5.5 | 0.225806 | 0.226047 | 0.226287 | 0.226527 | 0.226766 | 0.227005 | 0.227243 | 0.227481 | 0.227719 | 0.227956 |
| 5.6 | 0.228193 | 0.228429 | 0.228665 | 0.228901 | 0.229136 | 0.229370 | 0.229604 | 0.229838 | 0.230072 | 0.230305 |
| 5.7 | 0.230537 | 0.230769 | 0.231001 | 0.231233 | 0.231464 | 0.231694 | 0.231924 | 0.232154 | 0.232383 | 0.232612 |
| 5.8 | 0.232841 | 0.233069 | 0.233297 | 0.233524 | 0.233751 | 0.233978 | 0.234204 | 0.234430 | 0.234655 | 0.234881 |
| 5.9 | 0.235105 | 0.235330 | 0.235553 | 0.235777 | 0.236000 | 0.236223 | 0.236445 | 0.236667 | 0.236889 | 0.237110 |
Logarithm Table for base 1900 — N = 6.00–6.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6.0 | 0.237331 | 0.237552 | 0.237772 | 0.237992 | 0.238212 | 0.238431 | 0.238649 | 0.238868 | 0.239086 | 0.239304 |
| 6.1 | 0.239521 | 0.239738 | 0.239954 | 0.240171 | 0.240387 | 0.240602 | 0.240817 | 0.241032 | 0.241247 | 0.241461 |
| 6.2 | 0.241675 | 0.241888 | 0.242101 | 0.242314 | 0.242526 | 0.242739 | 0.242950 | 0.243162 | 0.243373 | 0.243584 |
| 6.3 | 0.243794 | 0.244004 | 0.244214 | 0.244423 | 0.244632 | 0.244841 | 0.245050 | 0.245258 | 0.245465 | 0.245673 |
| 6.4 | 0.245880 | 0.246087 | 0.246293 | 0.246499 | 0.246705 | 0.246911 | 0.247116 | 0.247321 | 0.247525 | 0.247730 |
| 6.5 | 0.247934 | 0.248137 | 0.248341 | 0.248544 | 0.248746 | 0.248949 | 0.249151 | 0.249352 | 0.249554 | 0.249755 |
| 6.6 | 0.249956 | 0.250156 | 0.250357 | 0.250557 | 0.250756 | 0.250956 | 0.251155 | 0.251353 | 0.251552 | 0.251750 |
| 6.7 | 0.251948 | 0.252145 | 0.252343 | 0.252540 | 0.252736 | 0.252933 | 0.253129 | 0.253325 | 0.253520 | 0.253715 |
| 6.8 | 0.253910 | 0.254105 | 0.254299 | 0.254493 | 0.254687 | 0.254881 | 0.255074 | 0.255267 | 0.255459 | 0.255652 |
| 6.9 | 0.255844 | 0.256036 | 0.256227 | 0.256419 | 0.256610 | 0.256800 | 0.256991 | 0.257181 | 0.257371 | 0.257560 |
Logarithm Table for base 1900 — N = 7.00–7.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7.0 | 0.257750 | 0.257939 | 0.258128 | 0.258316 | 0.258505 | 0.258693 | 0.258880 | 0.259068 | 0.259255 | 0.259442 |
| 7.1 | 0.259629 | 0.259815 | 0.260001 | 0.260187 | 0.260373 | 0.260558 | 0.260743 | 0.260928 | 0.261113 | 0.261297 |
| 7.2 | 0.261481 | 0.261665 | 0.261849 | 0.262032 | 0.262215 | 0.262398 | 0.262580 | 0.262763 | 0.262945 | 0.263127 |
| 7.3 | 0.263308 | 0.263490 | 0.263671 | 0.263851 | 0.264032 | 0.264212 | 0.264392 | 0.264572 | 0.264752 | 0.264931 |
| 7.4 | 0.265110 | 0.265289 | 0.265468 | 0.265646 | 0.265824 | 0.266002 | 0.266180 | 0.266357 | 0.266535 | 0.266712 |
| 7.5 | 0.266888 | 0.267065 | 0.267241 | 0.267417 | 0.267593 | 0.267769 | 0.267944 | 0.268119 | 0.268294 | 0.268468 |
| 7.6 | 0.268643 | 0.268817 | 0.268991 | 0.269165 | 0.269338 | 0.269511 | 0.269684 | 0.269857 | 0.270030 | 0.270202 |
| 7.7 | 0.270374 | 0.270546 | 0.270718 | 0.270889 | 0.271061 | 0.271232 | 0.271402 | 0.271573 | 0.271743 | 0.271914 |
| 7.8 | 0.272083 | 0.272253 | 0.272423 | 0.272592 | 0.272761 | 0.272930 | 0.273098 | 0.273267 | 0.273435 | 0.273603 |
| 7.9 | 0.273771 | 0.273938 | 0.274106 | 0.274273 | 0.274440 | 0.274607 | 0.274773 | 0.274939 | 0.275105 | 0.275271 |
Logarithm Table for base 1900 — N = 8.00–8.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 8.0 | 0.275437 | 0.275602 | 0.275768 | 0.275933 | 0.276098 | 0.276262 | 0.276427 | 0.276591 | 0.276755 | 0.276919 |
| 8.1 | 0.277082 | 0.277246 | 0.277409 | 0.277572 | 0.277735 | 0.277898 | 0.278060 | 0.278222 | 0.278384 | 0.278546 |
| 8.2 | 0.278708 | 0.278869 | 0.279030 | 0.279191 | 0.279352 | 0.279513 | 0.279673 | 0.279834 | 0.279994 | 0.280154 |
| 8.3 | 0.280313 | 0.280473 | 0.280632 | 0.280791 | 0.280950 | 0.281109 | 0.281267 | 0.281426 | 0.281584 | 0.281742 |
| 8.4 | 0.281900 | 0.282057 | 0.282215 | 0.282372 | 0.282529 | 0.282686 | 0.282842 | 0.282999 | 0.283155 | 0.283311 |
| 8.5 | 0.283467 | 0.283623 | 0.283778 | 0.283934 | 0.284089 | 0.284244 | 0.284399 | 0.284554 | 0.284708 | 0.284862 |
| 8.6 | 0.285016 | 0.285170 | 0.285324 | 0.285478 | 0.285631 | 0.285784 | 0.285937 | 0.286090 | 0.286243 | 0.286395 |
| 8.7 | 0.286548 | 0.286700 | 0.286852 | 0.287004 | 0.287155 | 0.287307 | 0.287458 | 0.287609 | 0.287760 | 0.287911 |
| 8.8 | 0.288061 | 0.288212 | 0.288362 | 0.288512 | 0.288662 | 0.288812 | 0.288962 | 0.289111 | 0.289260 | 0.289409 |
| 8.9 | 0.289558 | 0.289707 | 0.289856 | 0.290004 | 0.290152 | 0.290300 | 0.290448 | 0.290596 | 0.290744 | 0.290891 |
Logarithm Table for base 1900 — N = 9.00–9.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 9.0 | 0.291038 | 0.291185 | 0.291332 | 0.291479 | 0.291626 | 0.291772 | 0.291918 | 0.292064 | 0.292210 | 0.292356 |
| 9.1 | 0.292502 | 0.292647 | 0.292793 | 0.292938 | 0.293083 | 0.293228 | 0.293372 | 0.293517 | 0.293661 | 0.293805 |
| 9.2 | 0.293949 | 0.294093 | 0.294237 | 0.294381 | 0.294524 | 0.294667 | 0.294810 | 0.294953 | 0.295096 | 0.295239 |
| 9.3 | 0.295381 | 0.295524 | 0.295666 | 0.295808 | 0.295950 | 0.296092 | 0.296233 | 0.296375 | 0.296516 | 0.296657 |
| 9.4 | 0.296798 | 0.296939 | 0.297080 | 0.297220 | 0.297361 | 0.297501 | 0.297641 | 0.297781 | 0.297921 | 0.298060 |
| 9.5 | 0.298200 | 0.298339 | 0.298478 | 0.298617 | 0.298756 | 0.298895 | 0.299034 | 0.299172 | 0.299311 | 0.299449 |
| 9.6 | 0.299587 | 0.299725 | 0.299862 | 0.300000 | 0.300138 | 0.300275 | 0.300412 | 0.300549 | 0.300686 | 0.300823 |
| 9.7 | 0.300959 | 0.301096 | 0.301232 | 0.301368 | 0.301504 | 0.301640 | 0.301776 | 0.301912 | 0.302047 | 0.302183 |
| 9.8 | 0.302318 | 0.302453 | 0.302588 | 0.302723 | 0.302857 | 0.302992 | 0.303126 | 0.303261 | 0.303395 | 0.303529 |
| 9.9 | 0.303663 | 0.303796 | 0.303930 | 0.304063 | 0.304197 | 0.304330 | 0.304463 | 0.304596 | 0.304729 | 0.304861 |
Logarithm Table for base 1900 — N = 10.00–10.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 10.0 | 0.304994 | 0.305126 | 0.305259 | 0.305391 | 0.305523 | 0.305655 | 0.305786 | 0.305918 | 0.306049 | 0.306181 |
| 10.1 | 0.306312 | 0.306443 | 0.306574 | 0.306705 | 0.306835 | 0.306966 | 0.307096 | 0.307227 | 0.307357 | 0.307487 |
| 10.2 | 0.307617 | 0.307747 | 0.307876 | 0.308006 | 0.308135 | 0.308265 | 0.308394 | 0.308523 | 0.308652 | 0.308781 |
| 10.3 | 0.308909 | 0.309038 | 0.309166 | 0.309294 | 0.309423 | 0.309551 | 0.309679 | 0.309806 | 0.309934 | 0.310062 |
| 10.4 | 0.310189 | 0.310316 | 0.310443 | 0.310571 | 0.310697 | 0.310824 | 0.310951 | 0.311078 | 0.311204 | 0.311330 |
| 10.5 | 0.311457 | 0.311583 | 0.311709 | 0.311834 | 0.311960 | 0.312086 | 0.312211 | 0.312337 | 0.312462 | 0.312587 |
| 10.6 | 0.312712 | 0.312837 | 0.312962 | 0.313086 | 0.313211 | 0.313335 | 0.313460 | 0.313584 | 0.313708 | 0.313832 |
| 10.7 | 0.313956 | 0.314080 | 0.314203 | 0.314327 | 0.314450 | 0.314573 | 0.314696 | 0.314820 | 0.314942 | 0.315065 |
| 10.8 | 0.315188 | 0.315311 | 0.315433 | 0.315555 | 0.315678 | 0.315800 | 0.315922 | 0.316044 | 0.316166 | 0.316287 |
| 10.9 | 0.316409 | 0.316530 | 0.316652 | 0.316773 | 0.316894 | 0.317015 | 0.317136 | 0.317257 | 0.317377 | 0.317498 |
Logarithm Table for base 1900 — N = 11.00–11.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 11.0 | 0.317618 | 0.317739 | 0.317859 | 0.317979 | 0.318099 | 0.318219 | 0.318339 | 0.318459 | 0.318578 | 0.318698 |
| 11.1 | 0.318817 | 0.318936 | 0.319056 | 0.319175 | 0.319294 | 0.319412 | 0.319531 | 0.319650 | 0.319768 | 0.319887 |
| 11.2 | 0.320005 | 0.320123 | 0.320241 | 0.320359 | 0.320477 | 0.320595 | 0.320713 | 0.320830 | 0.320948 | 0.321065 |
| 11.3 | 0.321183 | 0.321300 | 0.321417 | 0.321534 | 0.321651 | 0.321767 | 0.321884 | 0.322001 | 0.322117 | 0.322233 |
| 11.4 | 0.322350 | 0.322466 | 0.322582 | 0.322698 | 0.322814 | 0.322929 | 0.323045 | 0.323160 | 0.323276 | 0.323391 |
| 11.5 | 0.323506 | 0.323622 | 0.323737 | 0.323852 | 0.323966 | 0.324081 | 0.324196 | 0.324310 | 0.324425 | 0.324539 |
| 11.6 | 0.324653 | 0.324767 | 0.324881 | 0.324995 | 0.325109 | 0.325223 | 0.325337 | 0.325450 | 0.325564 | 0.325677 |
| 11.7 | 0.325790 | 0.325903 | 0.326016 | 0.326129 | 0.326242 | 0.326355 | 0.326468 | 0.326580 | 0.326693 | 0.326805 |
| 11.8 | 0.326918 | 0.327030 | 0.327142 | 0.327254 | 0.327366 | 0.327478 | 0.327589 | 0.327701 | 0.327813 | 0.327924 |
| 11.9 | 0.328035 | 0.328147 | 0.328258 | 0.328369 | 0.328480 | 0.328591 | 0.328701 | 0.328812 | 0.328923 | 0.329033 |
Logarithm Table for base 1900 — N = 12.00–12.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 12.0 | 0.329144 | 0.329254 | 0.329364 | 0.329474 | 0.329585 | 0.329695 | 0.329804 | 0.329914 | 0.330024 | 0.330133 |
| 12.1 | 0.330243 | 0.330352 | 0.330462 | 0.330571 | 0.330680 | 0.330789 | 0.330898 | 0.331007 | 0.331116 | 0.331225 |
| 12.2 | 0.331333 | 0.331442 | 0.331550 | 0.331658 | 0.331767 | 0.331875 | 0.331983 | 0.332091 | 0.332199 | 0.332307 |
| 12.3 | 0.332414 | 0.332522 | 0.332630 | 0.332737 | 0.332845 | 0.332952 | 0.333059 | 0.333166 | 0.333273 | 0.333380 |
| 12.4 | 0.333487 | 0.333594 | 0.333700 | 0.333807 | 0.333914 | 0.334020 | 0.334126 | 0.334233 | 0.334339 | 0.334445 |
| 12.5 | 0.334551 | 0.334657 | 0.334763 | 0.334868 | 0.334974 | 0.335080 | 0.335185 | 0.335291 | 0.335396 | 0.335501 |
| 12.6 | 0.335606 | 0.335711 | 0.335816 | 0.335921 | 0.336026 | 0.336131 | 0.336236 | 0.336340 | 0.336445 | 0.336549 |
| 12.7 | 0.336653 | 0.336758 | 0.336862 | 0.336966 | 0.337070 | 0.337174 | 0.337278 | 0.337382 | 0.337485 | 0.337589 |
| 12.8 | 0.337692 | 0.337796 | 0.337899 | 0.338002 | 0.338106 | 0.338209 | 0.338312 | 0.338415 | 0.338518 | 0.338620 |
| 12.9 | 0.338723 | 0.338826 | 0.338928 | 0.339031 | 0.339133 | 0.339236 | 0.339338 | 0.339440 | 0.339542 | 0.339644 |
Logarithm Table for base 1900 — N = 13.00–13.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 13.0 | 0.339746 | 0.339848 | 0.339950 | 0.340051 | 0.340153 | 0.340254 | 0.340356 | 0.340457 | 0.340559 | 0.340660 |
| 13.1 | 0.340761 | 0.340862 | 0.340963 | 0.341064 | 0.341165 | 0.341266 | 0.341366 | 0.341467 | 0.341567 | 0.341668 |
| 13.2 | 0.341768 | 0.341869 | 0.341969 | 0.342069 | 0.342169 | 0.342269 | 0.342369 | 0.342469 | 0.342569 | 0.342668 |
| 13.3 | 0.342768 | 0.342868 | 0.342967 | 0.343066 | 0.343166 | 0.343265 | 0.343364 | 0.343463 | 0.343562 | 0.343661 |
| 13.4 | 0.343760 | 0.343859 | 0.343958 | 0.344056 | 0.344155 | 0.344253 | 0.344352 | 0.344450 | 0.344549 | 0.344647 |
| 13.5 | 0.344745 | 0.344843 | 0.344941 | 0.345039 | 0.345137 | 0.345235 | 0.345332 | 0.345430 | 0.345528 | 0.345625 |
| 13.6 | 0.345723 | 0.345820 | 0.345917 | 0.346014 | 0.346112 | 0.346209 | 0.346306 | 0.346403 | 0.346499 | 0.346596 |
| 13.7 | 0.346693 | 0.346790 | 0.346886 | 0.346983 | 0.347079 | 0.347175 | 0.347272 | 0.347368 | 0.347464 | 0.347560 |
| 13.8 | 0.347656 | 0.347752 | 0.347848 | 0.347944 | 0.348040 | 0.348135 | 0.348231 | 0.348326 | 0.348422 | 0.348517 |
| 13.9 | 0.348613 | 0.348708 | 0.348803 | 0.348898 | 0.348993 | 0.349088 | 0.349183 | 0.349278 | 0.349373 | 0.349467 |
Logarithm Table for base 1900 — N = 14.00–14.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 14.0 | 0.349562 | 0.349657 | 0.349751 | 0.349846 | 0.349940 | 0.350034 | 0.350129 | 0.350223 | 0.350317 | 0.350411 |
| 14.1 | 0.350505 | 0.350599 | 0.350693 | 0.350786 | 0.350880 | 0.350974 | 0.351067 | 0.351161 | 0.351254 | 0.351348 |
| 14.2 | 0.351441 | 0.351534 | 0.351627 | 0.351721 | 0.351814 | 0.351907 | 0.351999 | 0.352092 | 0.352185 | 0.352278 |
| 14.3 | 0.352370 | 0.352463 | 0.352556 | 0.352648 | 0.352740 | 0.352833 | 0.352925 | 0.353017 | 0.353109 | 0.353202 |
| 14.4 | 0.353294 | 0.353386 | 0.353477 | 0.353569 | 0.353661 | 0.353753 | 0.353844 | 0.353936 | 0.354027 | 0.354119 |
| 14.5 | 0.354210 | 0.354302 | 0.354393 | 0.354484 | 0.354575 | 0.354666 | 0.354757 | 0.354848 | 0.354939 | 0.355030 |
| 14.6 | 0.355121 | 0.355211 | 0.355302 | 0.355392 | 0.355483 | 0.355573 | 0.355664 | 0.355754 | 0.355844 | 0.355935 |
| 14.7 | 0.356025 | 0.356115 | 0.356205 | 0.356295 | 0.356385 | 0.356474 | 0.356564 | 0.356654 | 0.356744 | 0.356833 |
| 14.8 | 0.356923 | 0.357012 | 0.357102 | 0.357191 | 0.357280 | 0.357369 | 0.357459 | 0.357548 | 0.357637 | 0.357726 |
| 14.9 | 0.357815 | 0.357904 | 0.357992 | 0.358081 | 0.358170 | 0.358258 | 0.358347 | 0.358436 | 0.358524 | 0.358612 |
Logarithm Table for base 1900 — N = 15.00–15.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 15.0 | 0.358701 | 0.358789 | 0.358877 | 0.358965 | 0.359053 | 0.359142 | 0.359229 | 0.359317 | 0.359405 | 0.359493 |
| 15.1 | 0.359581 | 0.359669 | 0.359756 | 0.359844 | 0.359931 | 0.360019 | 0.360106 | 0.360193 | 0.360281 | 0.360368 |
| 15.2 | 0.360455 | 0.360542 | 0.360629 | 0.360716 | 0.360803 | 0.360890 | 0.360977 | 0.361064 | 0.361150 | 0.361237 |
| 15.3 | 0.361324 | 0.361410 | 0.361497 | 0.361583 | 0.361670 | 0.361756 | 0.361842 | 0.361928 | 0.362014 | 0.362101 |
| 15.4 | 0.362187 | 0.362273 | 0.362359 | 0.362444 | 0.362530 | 0.362616 | 0.362702 | 0.362787 | 0.362873 | 0.362958 |
| 15.5 | 0.363044 | 0.363129 | 0.363215 | 0.363300 | 0.363385 | 0.363471 | 0.363556 | 0.363641 | 0.363726 | 0.363811 |
| 15.6 | 0.363896 | 0.363981 | 0.364065 | 0.364150 | 0.364235 | 0.364320 | 0.364404 | 0.364489 | 0.364573 | 0.364658 |
| 15.7 | 0.364742 | 0.364826 | 0.364911 | 0.364995 | 0.365079 | 0.365163 | 0.365247 | 0.365331 | 0.365415 | 0.365499 |
| 15.8 | 0.365583 | 0.365667 | 0.365751 | 0.365834 | 0.365918 | 0.366002 | 0.366085 | 0.366169 | 0.366252 | 0.366336 |
| 15.9 | 0.366419 | 0.366502 | 0.366585 | 0.366669 | 0.366752 | 0.366835 | 0.366918 | 0.367001 | 0.367084 | 0.367166 |
Logarithm Table for base 1900 — N = 16.00–16.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 16.0 | 0.367249 | 0.367332 | 0.367415 | 0.367497 | 0.367580 | 0.367663 | 0.367745 | 0.367828 | 0.367910 | 0.367992 |
| 16.1 | 0.368075 | 0.368157 | 0.368239 | 0.368321 | 0.368403 | 0.368485 | 0.368567 | 0.368649 | 0.368731 | 0.368813 |
| 16.2 | 0.368895 | 0.368976 | 0.369058 | 0.369140 | 0.369221 | 0.369303 | 0.369384 | 0.369466 | 0.369547 | 0.369629 |
| 16.3 | 0.369710 | 0.369791 | 0.369872 | 0.369953 | 0.370035 | 0.370116 | 0.370197 | 0.370277 | 0.370358 | 0.370439 |
| 16.4 | 0.370520 | 0.370601 | 0.370681 | 0.370762 | 0.370843 | 0.370923 | 0.371004 | 0.371084 | 0.371165 | 0.371245 |
| 16.5 | 0.371325 | 0.371405 | 0.371486 | 0.371566 | 0.371646 | 0.371726 | 0.371806 | 0.371886 | 0.371966 | 0.372046 |
| 16.6 | 0.372126 | 0.372205 | 0.372285 | 0.372365 | 0.372444 | 0.372524 | 0.372603 | 0.372683 | 0.372762 | 0.372842 |
| 16.7 | 0.372921 | 0.373000 | 0.373080 | 0.373159 | 0.373238 | 0.373317 | 0.373396 | 0.373475 | 0.373554 | 0.373633 |
| 16.8 | 0.373712 | 0.373791 | 0.373870 | 0.373948 | 0.374027 | 0.374106 | 0.374184 | 0.374263 | 0.374341 | 0.374420 |
| 16.9 | 0.374498 | 0.374576 | 0.374655 | 0.374733 | 0.374811 | 0.374889 | 0.374967 | 0.375046 | 0.375124 | 0.375202 |
Logarithm Table for base 1900 — N = 17.00–17.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 17.0 | 0.375279 | 0.375357 | 0.375435 | 0.375513 | 0.375591 | 0.375668 | 0.375746 | 0.375824 | 0.375901 | 0.375979 |
| 17.1 | 0.376056 | 0.376134 | 0.376211 | 0.376289 | 0.376366 | 0.376443 | 0.376520 | 0.376597 | 0.376675 | 0.376752 |
| 17.2 | 0.376829 | 0.376906 | 0.376983 | 0.377060 | 0.377136 | 0.377213 | 0.377290 | 0.377367 | 0.377443 | 0.377520 |
| 17.3 | 0.377597 | 0.377673 | 0.377750 | 0.377826 | 0.377902 | 0.377979 | 0.378055 | 0.378131 | 0.378208 | 0.378284 |
| 17.4 | 0.378360 | 0.378436 | 0.378512 | 0.378588 | 0.378664 | 0.378740 | 0.378816 | 0.378892 | 0.378968 | 0.379043 |
| 17.5 | 0.379119 | 0.379195 | 0.379270 | 0.379346 | 0.379421 | 0.379497 | 0.379572 | 0.379648 | 0.379723 | 0.379799 |
| 17.6 | 0.379874 | 0.379949 | 0.380024 | 0.380099 | 0.380175 | 0.380250 | 0.380325 | 0.380400 | 0.380475 | 0.380549 |
| 17.7 | 0.380624 | 0.380699 | 0.380774 | 0.380849 | 0.380923 | 0.380998 | 0.381073 | 0.381147 | 0.381222 | 0.381296 |
| 17.8 | 0.381371 | 0.381445 | 0.381519 | 0.381594 | 0.381668 | 0.381742 | 0.381816 | 0.381890 | 0.381965 | 0.382039 |
| 17.9 | 0.382113 | 0.382187 | 0.382261 | 0.382334 | 0.382408 | 0.382482 | 0.382556 | 0.382630 | 0.382703 | 0.382777 |
Logarithm Table for base 1900 — N = 18.00–18.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 18.0 | 0.382851 | 0.382924 | 0.382998 | 0.383071 | 0.383145 | 0.383218 | 0.383291 | 0.383365 | 0.383438 | 0.383511 |
| 18.1 | 0.383584 | 0.383658 | 0.383731 | 0.383804 | 0.383877 | 0.383950 | 0.384023 | 0.384096 | 0.384169 | 0.384241 |
| 18.2 | 0.384314 | 0.384387 | 0.384460 | 0.384532 | 0.384605 | 0.384678 | 0.384750 | 0.384823 | 0.384895 | 0.384968 |
| 18.3 | 0.385040 | 0.385112 | 0.385185 | 0.385257 | 0.385329 | 0.385401 | 0.385474 | 0.385546 | 0.385618 | 0.385690 |
| 18.4 | 0.385762 | 0.385834 | 0.385906 | 0.385978 | 0.386049 | 0.386121 | 0.386193 | 0.386265 | 0.386336 | 0.386408 |
| 18.5 | 0.386480 | 0.386551 | 0.386623 | 0.386694 | 0.386766 | 0.386837 | 0.386909 | 0.386980 | 0.387051 | 0.387123 |
| 18.6 | 0.387194 | 0.387265 | 0.387336 | 0.387407 | 0.387478 | 0.387549 | 0.387620 | 0.387691 | 0.387762 | 0.387833 |
| 18.7 | 0.387904 | 0.387975 | 0.388046 | 0.388116 | 0.388187 | 0.388258 | 0.388328 | 0.388399 | 0.388469 | 0.388540 |
| 18.8 | 0.388610 | 0.388681 | 0.388751 | 0.388822 | 0.388892 | 0.388962 | 0.389032 | 0.389103 | 0.389173 | 0.389243 |
| 18.9 | 0.389313 | 0.389383 | 0.389453 | 0.389523 | 0.389593 | 0.389663 | 0.389733 | 0.389803 | 0.389873 | 0.389942 |
Logarithm Table for base 1900 — N = 19.00–19.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 19.0 | 0.390012 | 0.390082 | 0.390151 | 0.390221 | 0.390291 | 0.390360 | 0.390430 | 0.390499 | 0.390569 | 0.390638 |
| 19.1 | 0.390707 | 0.390777 | 0.390846 | 0.390915 | 0.390985 | 0.391054 | 0.391123 | 0.391192 | 0.391261 | 0.391330 |
| 19.2 | 0.391399 | 0.391468 | 0.391537 | 0.391606 | 0.391675 | 0.391744 | 0.391812 | 0.391881 | 0.391950 | 0.392019 |
| 19.3 | 0.392087 | 0.392156 | 0.392224 | 0.392293 | 0.392361 | 0.392430 | 0.392498 | 0.392567 | 0.392635 | 0.392703 |
| 19.4 | 0.392772 | 0.392840 | 0.392908 | 0.392976 | 0.393045 | 0.393113 | 0.393181 | 0.393249 | 0.393317 | 0.393385 |
| 19.5 | 0.393453 | 0.393521 | 0.393589 | 0.393656 | 0.393724 | 0.393792 | 0.393860 | 0.393927 | 0.393995 | 0.394063 |
| 19.6 | 0.394130 | 0.394198 | 0.394265 | 0.394333 | 0.394400 | 0.394468 | 0.394535 | 0.394602 | 0.394670 | 0.394737 |
| 19.7 | 0.394804 | 0.394872 | 0.394939 | 0.395006 | 0.395073 | 0.395140 | 0.395207 | 0.395274 | 0.395341 | 0.395408 |
| 19.8 | 0.395475 | 0.395542 | 0.395609 | 0.395676 | 0.395742 | 0.395809 | 0.395876 | 0.395942 | 0.396009 | 0.396076 |
| 19.9 | 0.396142 | 0.396209 | 0.396275 | 0.396342 | 0.396408 | 0.396475 | 0.396541 | 0.396607 | 0.396674 | 0.396740 |
Logarithm Table for base 1900 — N = 20.00–20.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 20.0 | 0.396806 | 0.396872 | 0.396939 | 0.397005 | 0.397071 | 0.397137 | 0.397203 | 0.397269 | 0.397335 | 0.397401 |
| 20.1 | 0.397467 | 0.397533 | 0.397599 | 0.397664 | 0.397730 | 0.397796 | 0.397862 | 0.397927 | 0.397993 | 0.398059 |
| 20.2 | 0.398124 | 0.398190 | 0.398255 | 0.398321 | 0.398386 | 0.398452 | 0.398517 | 0.398582 | 0.398648 | 0.398713 |
| 20.3 | 0.398778 | 0.398844 | 0.398909 | 0.398974 | 0.399039 | 0.399104 | 0.399169 | 0.399234 | 0.399299 | 0.399364 |
| 20.4 | 0.399429 | 0.399494 | 0.399559 | 0.399624 | 0.399689 | 0.399754 | 0.399818 | 0.399883 | 0.399948 | 0.400012 |
| 20.5 | 0.400077 | 0.400142 | 0.400206 | 0.400271 | 0.400335 | 0.400400 | 0.400464 | 0.400529 | 0.400593 | 0.400657 |
| 20.6 | 0.400722 | 0.400786 | 0.400850 | 0.400914 | 0.400978 | 0.401043 | 0.401107 | 0.401171 | 0.401235 | 0.401299 |
| 20.7 | 0.401363 | 0.401427 | 0.401491 | 0.401555 | 0.401619 | 0.401683 | 0.401746 | 0.401810 | 0.401874 | 0.401938 |
| 20.8 | 0.402001 | 0.402065 | 0.402129 | 0.402192 | 0.402256 | 0.402319 | 0.402383 | 0.402446 | 0.402510 | 0.402573 |
| 20.9 | 0.402637 | 0.402700 | 0.402763 | 0.402827 | 0.402890 | 0.402953 | 0.403016 | 0.403080 | 0.403143 | 0.403206 |
Other Bases
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