Logarithm Table for base 1550
This page shows the logarithm table for base 1550, 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 1550 — N = 1.00–1.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 0.000000 | 0.001355 | 0.002696 | 0.004024 | 0.005339 | 0.006642 | 0.007932 | 0.009210 | 0.010477 | 0.011731 |
| 1.1 | 0.012974 | 0.014206 | 0.015427 | 0.016637 | 0.017837 | 0.019026 | 0.020204 | 0.021373 | 0.022531 | 0.023680 |
| 1.2 | 0.024819 | 0.025949 | 0.027069 | 0.028180 | 0.029283 | 0.030376 | 0.031461 | 0.032537 | 0.033605 | 0.034664 |
| 1.3 | 0.035715 | 0.036758 | 0.037794 | 0.038821 | 0.039841 | 0.040853 | 0.041857 | 0.042855 | 0.043845 | 0.044828 |
| 1.4 | 0.045803 | 0.046772 | 0.047734 | 0.048690 | 0.049638 | 0.050580 | 0.051516 | 0.052445 | 0.053368 | 0.054285 |
| 1.5 | 0.055195 | 0.056100 | 0.056998 | 0.057891 | 0.058778 | 0.059659 | 0.060534 | 0.061404 | 0.062268 | 0.063127 |
| 1.6 | 0.063981 | 0.064829 | 0.065672 | 0.066510 | 0.067342 | 0.068170 | 0.068992 | 0.069810 | 0.070623 | 0.071430 |
| 1.7 | 0.072234 | 0.073032 | 0.073826 | 0.074615 | 0.075399 | 0.076180 | 0.076955 | 0.077726 | 0.078493 | 0.079256 |
| 1.8 | 0.080014 | 0.080769 | 0.081519 | 0.082265 | 0.083006 | 0.083744 | 0.084478 | 0.085208 | 0.085934 | 0.086656 |
| 1.9 | 0.087374 | 0.088089 | 0.088800 | 0.089507 | 0.090211 | 0.090910 | 0.091607 | 0.092300 | 0.092989 | 0.093675 |
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Logarithm Table for base 1550 — N = 2.00–2.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2.0 | 0.094357 | 0.095036 | 0.095711 | 0.096384 | 0.097053 | 0.097718 | 0.098381 | 0.099040 | 0.099696 | 0.100349 |
| 2.1 | 0.100999 | 0.101645 | 0.102289 | 0.102930 | 0.103567 | 0.104202 | 0.104834 | 0.105462 | 0.106088 | 0.106711 |
| 2.2 | 0.107331 | 0.107949 | 0.108563 | 0.109175 | 0.109784 | 0.110391 | 0.110994 | 0.111595 | 0.112194 | 0.112789 |
| 2.3 | 0.113383 | 0.113973 | 0.114561 | 0.115147 | 0.115730 | 0.116310 | 0.116888 | 0.117464 | 0.118037 | 0.118608 |
| 2.4 | 0.119176 | 0.119742 | 0.120306 | 0.120867 | 0.121426 | 0.121983 | 0.122537 | 0.123090 | 0.123640 | 0.124188 |
| 2.5 | 0.124733 | 0.125277 | 0.125818 | 0.126357 | 0.126894 | 0.127429 | 0.127962 | 0.128492 | 0.129021 | 0.129548 |
| 2.6 | 0.130072 | 0.130595 | 0.131115 | 0.131634 | 0.132150 | 0.132665 | 0.133178 | 0.133689 | 0.134198 | 0.134705 |
| 2.7 | 0.135210 | 0.135713 | 0.136214 | 0.136714 | 0.137212 | 0.137708 | 0.138202 | 0.138694 | 0.139185 | 0.139673 |
| 2.8 | 0.140160 | 0.140646 | 0.141129 | 0.141611 | 0.142091 | 0.142570 | 0.143047 | 0.143522 | 0.143995 | 0.144467 |
| 2.9 | 0.144937 | 0.145406 | 0.145873 | 0.146338 | 0.146802 | 0.147264 | 0.147725 | 0.148184 | 0.148642 | 0.149098 |
Logarithm Table for base 1550 — N = 3.00–3.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3.0 | 0.149552 | 0.150005 | 0.150457 | 0.150907 | 0.151355 | 0.151802 | 0.152248 | 0.152692 | 0.153135 | 0.153576 |
| 3.1 | 0.154016 | 0.154454 | 0.154891 | 0.155327 | 0.155761 | 0.156194 | 0.156625 | 0.157056 | 0.157484 | 0.157912 |
| 3.2 | 0.158338 | 0.158762 | 0.159186 | 0.159608 | 0.160029 | 0.160448 | 0.160867 | 0.161283 | 0.161699 | 0.162114 |
| 3.3 | 0.162527 | 0.162939 | 0.163349 | 0.163759 | 0.164167 | 0.164574 | 0.164979 | 0.165384 | 0.165787 | 0.166190 |
| 3.4 | 0.166590 | 0.166990 | 0.167389 | 0.167786 | 0.168183 | 0.168578 | 0.168972 | 0.169365 | 0.169756 | 0.170147 |
| 3.5 | 0.170537 | 0.170925 | 0.171312 | 0.171698 | 0.172083 | 0.172467 | 0.172850 | 0.173232 | 0.173613 | 0.173993 |
| 3.6 | 0.174371 | 0.174749 | 0.175126 | 0.175501 | 0.175876 | 0.176249 | 0.176621 | 0.176993 | 0.177363 | 0.177733 |
| 3.7 | 0.178101 | 0.178469 | 0.178835 | 0.179200 | 0.179565 | 0.179928 | 0.180291 | 0.180652 | 0.181013 | 0.181373 |
| 3.8 | 0.181731 | 0.182089 | 0.182446 | 0.182802 | 0.183157 | 0.183511 | 0.183864 | 0.184216 | 0.184568 | 0.184918 |
| 3.9 | 0.185267 | 0.185616 | 0.185964 | 0.186311 | 0.186657 | 0.187002 | 0.187346 | 0.187689 | 0.188032 | 0.188373 |
Logarithm Table for base 1550 — N = 4.00–4.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4.0 | 0.188714 | 0.189054 | 0.189393 | 0.189731 | 0.190068 | 0.190405 | 0.190741 | 0.191076 | 0.191410 | 0.191743 |
| 4.1 | 0.192075 | 0.192407 | 0.192738 | 0.193068 | 0.193397 | 0.193725 | 0.194053 | 0.194380 | 0.194706 | 0.195031 |
| 4.2 | 0.195356 | 0.195679 | 0.196002 | 0.196325 | 0.196646 | 0.196967 | 0.197287 | 0.197606 | 0.197924 | 0.198242 |
| 4.3 | 0.198559 | 0.198875 | 0.199190 | 0.199505 | 0.199819 | 0.200133 | 0.200445 | 0.200757 | 0.201068 | 0.201379 |
| 4.4 | 0.201688 | 0.201997 | 0.202306 | 0.202613 | 0.202920 | 0.203227 | 0.203532 | 0.203837 | 0.204141 | 0.204445 |
| 4.5 | 0.204748 | 0.205050 | 0.205351 | 0.205652 | 0.205952 | 0.206252 | 0.206551 | 0.206849 | 0.207146 | 0.207443 |
| 4.6 | 0.207739 | 0.208035 | 0.208330 | 0.208624 | 0.208918 | 0.209211 | 0.209504 | 0.209795 | 0.210087 | 0.210377 |
| 4.7 | 0.210667 | 0.210956 | 0.211245 | 0.211533 | 0.211821 | 0.212108 | 0.212394 | 0.212680 | 0.212965 | 0.213249 |
| 4.8 | 0.213533 | 0.213816 | 0.214099 | 0.214381 | 0.214663 | 0.214944 | 0.215224 | 0.215504 | 0.215783 | 0.216062 |
| 4.9 | 0.216340 | 0.216617 | 0.216894 | 0.217171 | 0.217447 | 0.217722 | 0.217997 | 0.218271 | 0.218544 | 0.218818 |
Logarithm Table for base 1550 — N = 5.00–5.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5.0 | 0.219090 | 0.219362 | 0.219634 | 0.219904 | 0.220175 | 0.220445 | 0.220714 | 0.220983 | 0.221251 | 0.221519 |
| 5.1 | 0.221786 | 0.222052 | 0.222319 | 0.222584 | 0.222849 | 0.223114 | 0.223378 | 0.223641 | 0.223905 | 0.224167 |
| 5.2 | 0.224429 | 0.224691 | 0.224952 | 0.225212 | 0.225472 | 0.225732 | 0.225991 | 0.226249 | 0.226507 | 0.226765 |
| 5.3 | 0.227022 | 0.227279 | 0.227535 | 0.227790 | 0.228046 | 0.228300 | 0.228555 | 0.228808 | 0.229062 | 0.229314 |
| 5.4 | 0.229567 | 0.229819 | 0.230070 | 0.230321 | 0.230571 | 0.230821 | 0.231071 | 0.231320 | 0.231569 | 0.231817 |
| 5.5 | 0.232064 | 0.232312 | 0.232559 | 0.232805 | 0.233051 | 0.233296 | 0.233541 | 0.233786 | 0.234030 | 0.234274 |
| 5.6 | 0.234517 | 0.234760 | 0.235003 | 0.235245 | 0.235486 | 0.235727 | 0.235968 | 0.236208 | 0.236448 | 0.236688 |
| 5.7 | 0.236927 | 0.237165 | 0.237404 | 0.237641 | 0.237879 | 0.238116 | 0.238352 | 0.238588 | 0.238824 | 0.239059 |
| 5.8 | 0.239294 | 0.239529 | 0.239763 | 0.239997 | 0.240230 | 0.240463 | 0.240695 | 0.240927 | 0.241159 | 0.241390 |
| 5.9 | 0.241621 | 0.241852 | 0.242082 | 0.242312 | 0.242541 | 0.242770 | 0.242999 | 0.243227 | 0.243455 | 0.243682 |
Logarithm Table for base 1550 — N = 6.00–6.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6.0 | 0.243909 | 0.244136 | 0.244362 | 0.244588 | 0.244814 | 0.245039 | 0.245264 | 0.245488 | 0.245712 | 0.245936 |
| 6.1 | 0.246159 | 0.246382 | 0.246605 | 0.246827 | 0.247049 | 0.247271 | 0.247492 | 0.247713 | 0.247933 | 0.248153 |
| 6.2 | 0.248373 | 0.248592 | 0.248811 | 0.249030 | 0.249248 | 0.249466 | 0.249684 | 0.249901 | 0.250118 | 0.250335 |
| 6.3 | 0.250551 | 0.250767 | 0.250982 | 0.251198 | 0.251412 | 0.251627 | 0.251841 | 0.252055 | 0.252269 | 0.252482 |
| 6.4 | 0.252695 | 0.252907 | 0.253119 | 0.253331 | 0.253543 | 0.253754 | 0.253965 | 0.254176 | 0.254386 | 0.254596 |
| 6.5 | 0.254805 | 0.255015 | 0.255223 | 0.255432 | 0.255640 | 0.255848 | 0.256056 | 0.256263 | 0.256470 | 0.256677 |
| 6.6 | 0.256884 | 0.257090 | 0.257295 | 0.257501 | 0.257706 | 0.257911 | 0.258116 | 0.258320 | 0.258524 | 0.258727 |
| 6.7 | 0.258931 | 0.259134 | 0.259336 | 0.259539 | 0.259741 | 0.259943 | 0.260144 | 0.260346 | 0.260546 | 0.260747 |
| 6.8 | 0.260947 | 0.261147 | 0.261347 | 0.261547 | 0.261746 | 0.261945 | 0.262143 | 0.262342 | 0.262540 | 0.262737 |
| 6.9 | 0.262935 | 0.263132 | 0.263329 | 0.263525 | 0.263722 | 0.263918 | 0.264113 | 0.264309 | 0.264504 | 0.264699 |
Logarithm Table for base 1550 — N = 7.00–7.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7.0 | 0.264893 | 0.265088 | 0.265282 | 0.265476 | 0.265669 | 0.265862 | 0.266055 | 0.266248 | 0.266440 | 0.266633 |
| 7.1 | 0.266824 | 0.267016 | 0.267207 | 0.267398 | 0.267589 | 0.267780 | 0.267970 | 0.268160 | 0.268350 | 0.268539 |
| 7.2 | 0.268728 | 0.268917 | 0.269106 | 0.269294 | 0.269483 | 0.269670 | 0.269858 | 0.270045 | 0.270233 | 0.270419 |
| 7.3 | 0.270606 | 0.270792 | 0.270978 | 0.271164 | 0.271350 | 0.271535 | 0.271720 | 0.271905 | 0.272090 | 0.272274 |
| 7.4 | 0.272458 | 0.272642 | 0.272826 | 0.273009 | 0.273192 | 0.273375 | 0.273557 | 0.273740 | 0.273922 | 0.274104 |
| 7.5 | 0.274285 | 0.274467 | 0.274648 | 0.274829 | 0.275009 | 0.275190 | 0.275370 | 0.275550 | 0.275730 | 0.275909 |
| 7.6 | 0.276088 | 0.276267 | 0.276446 | 0.276625 | 0.276803 | 0.276981 | 0.277159 | 0.277336 | 0.277514 | 0.277691 |
| 7.7 | 0.277868 | 0.278045 | 0.278221 | 0.278397 | 0.278573 | 0.278749 | 0.278925 | 0.279100 | 0.279275 | 0.279450 |
| 7.8 | 0.279624 | 0.279799 | 0.279973 | 0.280147 | 0.280321 | 0.280494 | 0.280668 | 0.280841 | 0.281013 | 0.281186 |
| 7.9 | 0.281359 | 0.281531 | 0.281703 | 0.281875 | 0.282046 | 0.282217 | 0.282389 | 0.282559 | 0.282730 | 0.282901 |
Logarithm Table for base 1550 — N = 8.00–8.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 8.0 | 0.283071 | 0.283241 | 0.283411 | 0.283580 | 0.283750 | 0.283919 | 0.284088 | 0.284257 | 0.284425 | 0.284594 |
| 8.1 | 0.284762 | 0.284930 | 0.285098 | 0.285265 | 0.285433 | 0.285600 | 0.285767 | 0.285933 | 0.286100 | 0.286266 |
| 8.2 | 0.286432 | 0.286598 | 0.286764 | 0.286929 | 0.287095 | 0.287260 | 0.287425 | 0.287589 | 0.287754 | 0.287918 |
| 8.3 | 0.288082 | 0.288246 | 0.288410 | 0.288573 | 0.288737 | 0.288900 | 0.289063 | 0.289226 | 0.289388 | 0.289550 |
| 8.4 | 0.289713 | 0.289875 | 0.290036 | 0.290198 | 0.290359 | 0.290520 | 0.290681 | 0.290842 | 0.291003 | 0.291163 |
| 8.5 | 0.291324 | 0.291484 | 0.291644 | 0.291803 | 0.291963 | 0.292122 | 0.292281 | 0.292440 | 0.292599 | 0.292757 |
| 8.6 | 0.292916 | 0.293074 | 0.293232 | 0.293390 | 0.293547 | 0.293705 | 0.293862 | 0.294019 | 0.294176 | 0.294333 |
| 8.7 | 0.294490 | 0.294646 | 0.294802 | 0.294958 | 0.295114 | 0.295270 | 0.295425 | 0.295580 | 0.295736 | 0.295891 |
| 8.8 | 0.296045 | 0.296200 | 0.296354 | 0.296509 | 0.296663 | 0.296817 | 0.296970 | 0.297124 | 0.297277 | 0.297430 |
| 8.9 | 0.297583 | 0.297736 | 0.297889 | 0.298042 | 0.298194 | 0.298346 | 0.298498 | 0.298650 | 0.298802 | 0.298953 |
Logarithm Table for base 1550 — N = 9.00–9.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 9.0 | 0.299104 | 0.299256 | 0.299407 | 0.299557 | 0.299708 | 0.299859 | 0.300009 | 0.300159 | 0.300309 | 0.300459 |
| 9.1 | 0.300609 | 0.300758 | 0.300908 | 0.301057 | 0.301206 | 0.301355 | 0.301503 | 0.301652 | 0.301800 | 0.301948 |
| 9.2 | 0.302096 | 0.302244 | 0.302392 | 0.302540 | 0.302687 | 0.302834 | 0.302981 | 0.303128 | 0.303275 | 0.303422 |
| 9.3 | 0.303568 | 0.303714 | 0.303861 | 0.304007 | 0.304152 | 0.304298 | 0.304444 | 0.304589 | 0.304734 | 0.304879 |
| 9.4 | 0.305024 | 0.305169 | 0.305313 | 0.305458 | 0.305602 | 0.305746 | 0.305890 | 0.306034 | 0.306178 | 0.306321 |
| 9.5 | 0.306465 | 0.306608 | 0.306751 | 0.306894 | 0.307037 | 0.307179 | 0.307322 | 0.307464 | 0.307606 | 0.307748 |
| 9.6 | 0.307890 | 0.308032 | 0.308173 | 0.308315 | 0.308456 | 0.308597 | 0.308738 | 0.308879 | 0.309020 | 0.309160 |
| 9.7 | 0.309301 | 0.309441 | 0.309581 | 0.309721 | 0.309861 | 0.310001 | 0.310140 | 0.310280 | 0.310419 | 0.310558 |
| 9.8 | 0.310697 | 0.310836 | 0.310974 | 0.311113 | 0.311251 | 0.311390 | 0.311528 | 0.311666 | 0.311804 | 0.311941 |
| 9.9 | 0.312079 | 0.312216 | 0.312354 | 0.312491 | 0.312628 | 0.312765 | 0.312901 | 0.313038 | 0.313175 | 0.313311 |
Logarithm Table for base 1550 — N = 10.00–10.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 10.0 | 0.313447 | 0.313583 | 0.313719 | 0.313855 | 0.313990 | 0.314126 | 0.314261 | 0.314397 | 0.314532 | 0.314667 |
| 10.1 | 0.314802 | 0.314936 | 0.315071 | 0.315205 | 0.315340 | 0.315474 | 0.315608 | 0.315742 | 0.315876 | 0.316009 |
| 10.2 | 0.316143 | 0.316276 | 0.316409 | 0.316543 | 0.316676 | 0.316808 | 0.316941 | 0.317074 | 0.317206 | 0.317339 |
| 10.3 | 0.317471 | 0.317603 | 0.317735 | 0.317867 | 0.317998 | 0.318130 | 0.318262 | 0.318393 | 0.318524 | 0.318655 |
| 10.4 | 0.318786 | 0.318917 | 0.319048 | 0.319178 | 0.319309 | 0.319439 | 0.319569 | 0.319699 | 0.319829 | 0.319959 |
| 10.5 | 0.320089 | 0.320218 | 0.320348 | 0.320477 | 0.320606 | 0.320735 | 0.320864 | 0.320993 | 0.321122 | 0.321251 |
| 10.6 | 0.321379 | 0.321507 | 0.321636 | 0.321764 | 0.321892 | 0.322020 | 0.322147 | 0.322275 | 0.322403 | 0.322530 |
| 10.7 | 0.322657 | 0.322784 | 0.322911 | 0.323038 | 0.323165 | 0.323292 | 0.323418 | 0.323545 | 0.323671 | 0.323798 |
| 10.8 | 0.323924 | 0.324050 | 0.324175 | 0.324301 | 0.324427 | 0.324552 | 0.324678 | 0.324803 | 0.324928 | 0.325053 |
| 10.9 | 0.325178 | 0.325303 | 0.325428 | 0.325552 | 0.325677 | 0.325801 | 0.325926 | 0.326050 | 0.326174 | 0.326298 |
Logarithm Table for base 1550 — N = 11.00–11.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 11.0 | 0.326421 | 0.326545 | 0.326669 | 0.326792 | 0.326916 | 0.327039 | 0.327162 | 0.327285 | 0.327408 | 0.327531 |
| 11.1 | 0.327653 | 0.327776 | 0.327898 | 0.328021 | 0.328143 | 0.328265 | 0.328387 | 0.328509 | 0.328631 | 0.328753 |
| 11.2 | 0.328874 | 0.328996 | 0.329117 | 0.329238 | 0.329360 | 0.329481 | 0.329602 | 0.329722 | 0.329843 | 0.329964 |
| 11.3 | 0.330084 | 0.330205 | 0.330325 | 0.330445 | 0.330565 | 0.330685 | 0.330805 | 0.330925 | 0.331045 | 0.331164 |
| 11.4 | 0.331284 | 0.331403 | 0.331522 | 0.331641 | 0.331760 | 0.331879 | 0.331998 | 0.332117 | 0.332236 | 0.332354 |
| 11.5 | 0.332473 | 0.332591 | 0.332709 | 0.332827 | 0.332945 | 0.333063 | 0.333181 | 0.333299 | 0.333416 | 0.333534 |
| 11.6 | 0.333651 | 0.333768 | 0.333886 | 0.334003 | 0.334120 | 0.334237 | 0.334353 | 0.334470 | 0.334587 | 0.334703 |
| 11.7 | 0.334820 | 0.334936 | 0.335052 | 0.335168 | 0.335284 | 0.335400 | 0.335516 | 0.335632 | 0.335747 | 0.335863 |
| 11.8 | 0.335978 | 0.336094 | 0.336209 | 0.336324 | 0.336439 | 0.336554 | 0.336669 | 0.336783 | 0.336898 | 0.337013 |
| 11.9 | 0.337127 | 0.337241 | 0.337356 | 0.337470 | 0.337584 | 0.337698 | 0.337812 | 0.337925 | 0.338039 | 0.338153 |
Logarithm Table for base 1550 — N = 12.00–12.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 12.0 | 0.338266 | 0.338380 | 0.338493 | 0.338606 | 0.338719 | 0.338832 | 0.338945 | 0.339058 | 0.339171 | 0.339283 |
| 12.1 | 0.339396 | 0.339508 | 0.339621 | 0.339733 | 0.339845 | 0.339957 | 0.340069 | 0.340181 | 0.340293 | 0.340405 |
| 12.2 | 0.340516 | 0.340628 | 0.340739 | 0.340851 | 0.340962 | 0.341073 | 0.341184 | 0.341295 | 0.341406 | 0.341517 |
| 12.3 | 0.341628 | 0.341738 | 0.341849 | 0.341959 | 0.342069 | 0.342180 | 0.342290 | 0.342400 | 0.342510 | 0.342620 |
| 12.4 | 0.342730 | 0.342840 | 0.342949 | 0.343059 | 0.343168 | 0.343278 | 0.343387 | 0.343496 | 0.343605 | 0.343714 |
| 12.5 | 0.343823 | 0.343932 | 0.344041 | 0.344150 | 0.344258 | 0.344367 | 0.344475 | 0.344583 | 0.344692 | 0.344800 |
| 12.6 | 0.344908 | 0.345016 | 0.345124 | 0.345232 | 0.345339 | 0.345447 | 0.345555 | 0.345662 | 0.345769 | 0.345877 |
| 12.7 | 0.345984 | 0.346091 | 0.346198 | 0.346305 | 0.346412 | 0.346519 | 0.346626 | 0.346732 | 0.346839 | 0.346945 |
| 12.8 | 0.347052 | 0.347158 | 0.347264 | 0.347370 | 0.347476 | 0.347582 | 0.347688 | 0.347794 | 0.347900 | 0.348005 |
| 12.9 | 0.348111 | 0.348217 | 0.348322 | 0.348427 | 0.348532 | 0.348638 | 0.348743 | 0.348848 | 0.348953 | 0.349057 |
Logarithm Table for base 1550 — N = 13.00–13.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 13.0 | 0.349162 | 0.349267 | 0.349372 | 0.349476 | 0.349580 | 0.349685 | 0.349789 | 0.349893 | 0.349997 | 0.350101 |
| 13.1 | 0.350205 | 0.350309 | 0.350413 | 0.350517 | 0.350620 | 0.350724 | 0.350827 | 0.350931 | 0.351034 | 0.351137 |
| 13.2 | 0.351241 | 0.351344 | 0.351447 | 0.351550 | 0.351652 | 0.351755 | 0.351858 | 0.351961 | 0.352063 | 0.352166 |
| 13.3 | 0.352268 | 0.352370 | 0.352473 | 0.352575 | 0.352677 | 0.352779 | 0.352881 | 0.352983 | 0.353084 | 0.353186 |
| 13.4 | 0.353288 | 0.353389 | 0.353491 | 0.353592 | 0.353693 | 0.353795 | 0.353896 | 0.353997 | 0.354098 | 0.354199 |
| 13.5 | 0.354300 | 0.354401 | 0.354501 | 0.354602 | 0.354703 | 0.354803 | 0.354903 | 0.355004 | 0.355104 | 0.355204 |
| 13.6 | 0.355304 | 0.355404 | 0.355504 | 0.355604 | 0.355704 | 0.355804 | 0.355904 | 0.356003 | 0.356103 | 0.356202 |
| 13.7 | 0.356302 | 0.356401 | 0.356500 | 0.356599 | 0.356699 | 0.356798 | 0.356897 | 0.356995 | 0.357094 | 0.357193 |
| 13.8 | 0.357292 | 0.357390 | 0.357489 | 0.357587 | 0.357686 | 0.357784 | 0.357882 | 0.357980 | 0.358079 | 0.358177 |
| 13.9 | 0.358275 | 0.358372 | 0.358470 | 0.358568 | 0.358666 | 0.358763 | 0.358861 | 0.358958 | 0.359056 | 0.359153 |
Logarithm Table for base 1550 — N = 14.00–14.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 14.0 | 0.359250 | 0.359348 | 0.359445 | 0.359542 | 0.359639 | 0.359736 | 0.359833 | 0.359929 | 0.360026 | 0.360123 |
| 14.1 | 0.360219 | 0.360316 | 0.360412 | 0.360509 | 0.360605 | 0.360701 | 0.360797 | 0.360893 | 0.360989 | 0.361085 |
| 14.2 | 0.361181 | 0.361277 | 0.361373 | 0.361469 | 0.361564 | 0.361660 | 0.361755 | 0.361851 | 0.361946 | 0.362041 |
| 14.3 | 0.362137 | 0.362232 | 0.362327 | 0.362422 | 0.362517 | 0.362612 | 0.362707 | 0.362801 | 0.362896 | 0.362991 |
| 14.4 | 0.363085 | 0.363180 | 0.363274 | 0.363369 | 0.363463 | 0.363557 | 0.363651 | 0.363745 | 0.363839 | 0.363933 |
| 14.5 | 0.364027 | 0.364121 | 0.364215 | 0.364309 | 0.364402 | 0.364496 | 0.364589 | 0.364683 | 0.364776 | 0.364870 |
| 14.6 | 0.364963 | 0.365056 | 0.365149 | 0.365242 | 0.365335 | 0.365428 | 0.365521 | 0.365614 | 0.365707 | 0.365800 |
| 14.7 | 0.365892 | 0.365985 | 0.366077 | 0.366170 | 0.366262 | 0.366354 | 0.366447 | 0.366539 | 0.366631 | 0.366723 |
| 14.8 | 0.366815 | 0.366907 | 0.366999 | 0.367091 | 0.367182 | 0.367274 | 0.367366 | 0.367457 | 0.367549 | 0.367640 |
| 14.9 | 0.367732 | 0.367823 | 0.367914 | 0.368006 | 0.368097 | 0.368188 | 0.368279 | 0.368370 | 0.368461 | 0.368552 |
Logarithm Table for base 1550 — N = 15.00–15.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 15.0 | 0.368642 | 0.368733 | 0.368824 | 0.368914 | 0.369005 | 0.369095 | 0.369186 | 0.369276 | 0.369366 | 0.369457 |
| 15.1 | 0.369547 | 0.369637 | 0.369727 | 0.369817 | 0.369907 | 0.369997 | 0.370087 | 0.370176 | 0.370266 | 0.370356 |
| 15.2 | 0.370445 | 0.370535 | 0.370624 | 0.370714 | 0.370803 | 0.370892 | 0.370982 | 0.371071 | 0.371160 | 0.371249 |
| 15.3 | 0.371338 | 0.371427 | 0.371516 | 0.371605 | 0.371693 | 0.371782 | 0.371871 | 0.371959 | 0.372048 | 0.372136 |
| 15.4 | 0.372225 | 0.372313 | 0.372402 | 0.372490 | 0.372578 | 0.372666 | 0.372754 | 0.372842 | 0.372930 | 0.373018 |
| 15.5 | 0.373106 | 0.373194 | 0.373281 | 0.373369 | 0.373457 | 0.373544 | 0.373632 | 0.373719 | 0.373807 | 0.373894 |
| 15.6 | 0.373981 | 0.374069 | 0.374156 | 0.374243 | 0.374330 | 0.374417 | 0.374504 | 0.374591 | 0.374678 | 0.374764 |
| 15.7 | 0.374851 | 0.374938 | 0.375024 | 0.375111 | 0.375198 | 0.375284 | 0.375370 | 0.375457 | 0.375543 | 0.375629 |
| 15.8 | 0.375716 | 0.375802 | 0.375888 | 0.375974 | 0.376060 | 0.376146 | 0.376231 | 0.376317 | 0.376403 | 0.376489 |
| 15.9 | 0.376574 | 0.376660 | 0.376745 | 0.376831 | 0.376916 | 0.377002 | 0.377087 | 0.377172 | 0.377258 | 0.377343 |
Logarithm Table for base 1550 — N = 16.00–16.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 16.0 | 0.377428 | 0.377513 | 0.377598 | 0.377683 | 0.377768 | 0.377853 | 0.377937 | 0.378022 | 0.378107 | 0.378191 |
| 16.1 | 0.378276 | 0.378361 | 0.378445 | 0.378529 | 0.378614 | 0.378698 | 0.378782 | 0.378867 | 0.378951 | 0.379035 |
| 16.2 | 0.379119 | 0.379203 | 0.379287 | 0.379371 | 0.379455 | 0.379538 | 0.379622 | 0.379706 | 0.379789 | 0.379873 |
| 16.3 | 0.379957 | 0.380040 | 0.380124 | 0.380207 | 0.380290 | 0.380374 | 0.380457 | 0.380540 | 0.380623 | 0.380706 |
| 16.4 | 0.380789 | 0.380872 | 0.380955 | 0.381038 | 0.381121 | 0.381204 | 0.381286 | 0.381369 | 0.381452 | 0.381534 |
| 16.5 | 0.381617 | 0.381699 | 0.381782 | 0.381864 | 0.381946 | 0.382029 | 0.382111 | 0.382193 | 0.382275 | 0.382357 |
| 16.6 | 0.382439 | 0.382521 | 0.382603 | 0.382685 | 0.382767 | 0.382849 | 0.382930 | 0.383012 | 0.383094 | 0.383175 |
| 16.7 | 0.383257 | 0.383338 | 0.383420 | 0.383501 | 0.383583 | 0.383664 | 0.383745 | 0.383826 | 0.383907 | 0.383989 |
| 16.8 | 0.384070 | 0.384151 | 0.384232 | 0.384312 | 0.384393 | 0.384474 | 0.384555 | 0.384636 | 0.384716 | 0.384797 |
| 16.9 | 0.384877 | 0.384958 | 0.385038 | 0.385119 | 0.385199 | 0.385280 | 0.385360 | 0.385440 | 0.385520 | 0.385600 |
Logarithm Table for base 1550 — N = 17.00–17.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 17.0 | 0.385681 | 0.385761 | 0.385841 | 0.385921 | 0.386000 | 0.386080 | 0.386160 | 0.386240 | 0.386320 | 0.386399 |
| 17.1 | 0.386479 | 0.386559 | 0.386638 | 0.386718 | 0.386797 | 0.386876 | 0.386956 | 0.387035 | 0.387114 | 0.387194 |
| 17.2 | 0.387273 | 0.387352 | 0.387431 | 0.387510 | 0.387589 | 0.387668 | 0.387747 | 0.387826 | 0.387904 | 0.387983 |
| 17.3 | 0.388062 | 0.388141 | 0.388219 | 0.388298 | 0.388376 | 0.388455 | 0.388533 | 0.388612 | 0.388690 | 0.388768 |
| 17.4 | 0.388846 | 0.388925 | 0.389003 | 0.389081 | 0.389159 | 0.389237 | 0.389315 | 0.389393 | 0.389471 | 0.389549 |
| 17.5 | 0.389627 | 0.389704 | 0.389782 | 0.389860 | 0.389937 | 0.390015 | 0.390093 | 0.390170 | 0.390247 | 0.390325 |
| 17.6 | 0.390402 | 0.390480 | 0.390557 | 0.390634 | 0.390711 | 0.390788 | 0.390866 | 0.390943 | 0.391020 | 0.391097 |
| 17.7 | 0.391174 | 0.391250 | 0.391327 | 0.391404 | 0.391481 | 0.391558 | 0.391634 | 0.391711 | 0.391787 | 0.391864 |
| 17.8 | 0.391940 | 0.392017 | 0.392093 | 0.392170 | 0.392246 | 0.392322 | 0.392399 | 0.392475 | 0.392551 | 0.392627 |
| 17.9 | 0.392703 | 0.392779 | 0.392855 | 0.392931 | 0.393007 | 0.393083 | 0.393159 | 0.393234 | 0.393310 | 0.393386 |
Logarithm Table for base 1550 — N = 18.00–18.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 18.0 | 0.393461 | 0.393537 | 0.393613 | 0.393688 | 0.393764 | 0.393839 | 0.393914 | 0.393990 | 0.394065 | 0.394140 |
| 18.1 | 0.394216 | 0.394291 | 0.394366 | 0.394441 | 0.394516 | 0.394591 | 0.394666 | 0.394741 | 0.394816 | 0.394891 |
| 18.2 | 0.394966 | 0.395040 | 0.395115 | 0.395190 | 0.395264 | 0.395339 | 0.395414 | 0.395488 | 0.395563 | 0.395637 |
| 18.3 | 0.395712 | 0.395786 | 0.395860 | 0.395935 | 0.396009 | 0.396083 | 0.396157 | 0.396231 | 0.396305 | 0.396379 |
| 18.4 | 0.396453 | 0.396527 | 0.396601 | 0.396675 | 0.396749 | 0.396823 | 0.396897 | 0.396970 | 0.397044 | 0.397118 |
| 18.5 | 0.397191 | 0.397265 | 0.397338 | 0.397412 | 0.397485 | 0.397559 | 0.397632 | 0.397705 | 0.397779 | 0.397852 |
| 18.6 | 0.397925 | 0.397998 | 0.398071 | 0.398144 | 0.398217 | 0.398291 | 0.398363 | 0.398436 | 0.398509 | 0.398582 |
| 18.7 | 0.398655 | 0.398728 | 0.398800 | 0.398873 | 0.398946 | 0.399018 | 0.399091 | 0.399164 | 0.399236 | 0.399309 |
| 18.8 | 0.399381 | 0.399453 | 0.399526 | 0.399598 | 0.399670 | 0.399743 | 0.399815 | 0.399887 | 0.399959 | 0.400031 |
| 18.9 | 0.400103 | 0.400175 | 0.400247 | 0.400319 | 0.400391 | 0.400463 | 0.400535 | 0.400606 | 0.400678 | 0.400750 |
Logarithm Table for base 1550 — N = 19.00–19.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 19.0 | 0.400822 | 0.400893 | 0.400965 | 0.401036 | 0.401108 | 0.401179 | 0.401251 | 0.401322 | 0.401393 | 0.401465 |
| 19.1 | 0.401536 | 0.401607 | 0.401679 | 0.401750 | 0.401821 | 0.401892 | 0.401963 | 0.402034 | 0.402105 | 0.402176 |
| 19.2 | 0.402247 | 0.402318 | 0.402389 | 0.402459 | 0.402530 | 0.402601 | 0.402672 | 0.402742 | 0.402813 | 0.402884 |
| 19.3 | 0.402954 | 0.403025 | 0.403095 | 0.403166 | 0.403236 | 0.403306 | 0.403377 | 0.403447 | 0.403517 | 0.403587 |
| 19.4 | 0.403658 | 0.403728 | 0.403798 | 0.403868 | 0.403938 | 0.404008 | 0.404078 | 0.404148 | 0.404218 | 0.404288 |
| 19.5 | 0.404358 | 0.404427 | 0.404497 | 0.404567 | 0.404636 | 0.404706 | 0.404776 | 0.404845 | 0.404915 | 0.404984 |
| 19.6 | 0.405054 | 0.405123 | 0.405193 | 0.405262 | 0.405331 | 0.405401 | 0.405470 | 0.405539 | 0.405608 | 0.405677 |
| 19.7 | 0.405747 | 0.405816 | 0.405885 | 0.405954 | 0.406023 | 0.406092 | 0.406161 | 0.406229 | 0.406298 | 0.406367 |
| 19.8 | 0.406436 | 0.406505 | 0.406573 | 0.406642 | 0.406711 | 0.406779 | 0.406848 | 0.406916 | 0.406985 | 0.407053 |
| 19.9 | 0.407122 | 0.407190 | 0.407258 | 0.407327 | 0.407395 | 0.407463 | 0.407531 | 0.407600 | 0.407668 | 0.407736 |
Logarithm Table for base 1550 — N = 20.00–20.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 20.0 | 0.407804 | 0.407872 | 0.407940 | 0.408008 | 0.408076 | 0.408144 | 0.408212 | 0.408280 | 0.408347 | 0.408415 |
| 20.1 | 0.408483 | 0.408551 | 0.408618 | 0.408686 | 0.408754 | 0.408821 | 0.408889 | 0.408956 | 0.409024 | 0.409091 |
| 20.2 | 0.409159 | 0.409226 | 0.409293 | 0.409361 | 0.409428 | 0.409495 | 0.409562 | 0.409629 | 0.409697 | 0.409764 |
| 20.3 | 0.409831 | 0.409898 | 0.409965 | 0.410032 | 0.410099 | 0.410166 | 0.410233 | 0.410299 | 0.410366 | 0.410433 |
| 20.4 | 0.410500 | 0.410566 | 0.410633 | 0.410700 | 0.410766 | 0.410833 | 0.410899 | 0.410966 | 0.411032 | 0.411099 |
| 20.5 | 0.411165 | 0.411232 | 0.411298 | 0.411364 | 0.411431 | 0.411497 | 0.411563 | 0.411629 | 0.411696 | 0.411762 |
| 20.6 | 0.411828 | 0.411894 | 0.411960 | 0.412026 | 0.412092 | 0.412158 | 0.412224 | 0.412290 | 0.412355 | 0.412421 |
| 20.7 | 0.412487 | 0.412553 | 0.412618 | 0.412684 | 0.412750 | 0.412815 | 0.412881 | 0.412947 | 0.413012 | 0.413078 |
| 20.8 | 0.413143 | 0.413208 | 0.413274 | 0.413339 | 0.413405 | 0.413470 | 0.413535 | 0.413600 | 0.413666 | 0.413731 |
| 20.9 | 0.413796 | 0.413861 | 0.413926 | 0.413991 | 0.414056 | 0.414121 | 0.414186 | 0.414251 | 0.414316 | 0.414381 |
Other Bases
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