Logarithm Table for base 2021
This page shows the logarithm table for base 2021, 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 2021 — N = 1.00–1.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 0.000000 | 0.001307 | 0.002602 | 0.003884 | 0.005153 | 0.006410 | 0.007656 | 0.008889 | 0.010111 | 0.011322 |
| 1.1 | 0.012522 | 0.013711 | 0.014889 | 0.016057 | 0.017215 | 0.018362 | 0.019500 | 0.020628 | 0.021746 | 0.022854 |
| 1.2 | 0.023954 | 0.025044 | 0.026126 | 0.027198 | 0.028262 | 0.029317 | 0.030364 | 0.031403 | 0.032433 | 0.033456 |
| 1.3 | 0.034470 | 0.035477 | 0.036476 | 0.037468 | 0.038452 | 0.039429 | 0.040398 | 0.041361 | 0.042316 | 0.043265 |
| 1.4 | 0.044207 | 0.045142 | 0.046070 | 0.046992 | 0.047908 | 0.048817 | 0.049720 | 0.050617 | 0.051508 | 0.052392 |
| 1.5 | 0.053271 | 0.054144 | 0.055011 | 0.055873 | 0.056729 | 0.057579 | 0.058424 | 0.059264 | 0.060098 | 0.060927 |
| 1.6 | 0.061750 | 0.062569 | 0.063382 | 0.064191 | 0.064995 | 0.065793 | 0.066587 | 0.067376 | 0.068161 | 0.068940 |
| 1.7 | 0.069715 | 0.070486 | 0.071252 | 0.072014 | 0.072771 | 0.073524 | 0.074272 | 0.075017 | 0.075757 | 0.076493 |
| 1.8 | 0.077225 | 0.077953 | 0.078677 | 0.079397 | 0.080113 | 0.080825 | 0.081533 | 0.082238 | 0.082938 | 0.083635 |
| 1.9 | 0.084329 | 0.085018 | 0.085704 | 0.086387 | 0.087066 | 0.087741 | 0.088413 | 0.089082 | 0.089747 | 0.090409 |
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Logarithm Table for base 2021 — N = 2.00–2.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2.0 | 0.091068 | 0.091723 | 0.092375 | 0.093024 | 0.093669 | 0.094312 | 0.094951 | 0.095587 | 0.096221 | 0.096851 |
| 2.1 | 0.097478 | 0.098102 | 0.098723 | 0.099341 | 0.099957 | 0.100569 | 0.101179 | 0.101786 | 0.102390 | 0.102991 |
| 2.2 | 0.103590 | 0.104186 | 0.104779 | 0.105369 | 0.105957 | 0.106542 | 0.107125 | 0.107705 | 0.108282 | 0.108857 |
| 2.3 | 0.109430 | 0.110000 | 0.110567 | 0.111133 | 0.111695 | 0.112255 | 0.112813 | 0.113369 | 0.113922 | 0.114473 |
| 2.4 | 0.115022 | 0.115568 | 0.116112 | 0.116654 | 0.117193 | 0.117731 | 0.118266 | 0.118799 | 0.119330 | 0.119858 |
| 2.5 | 0.120385 | 0.120909 | 0.121432 | 0.121952 | 0.122470 | 0.122987 | 0.123501 | 0.124013 | 0.124523 | 0.125031 |
| 2.6 | 0.125538 | 0.126042 | 0.126545 | 0.127045 | 0.127544 | 0.128040 | 0.128535 | 0.129028 | 0.129519 | 0.130009 |
| 2.7 | 0.130496 | 0.130982 | 0.131466 | 0.131948 | 0.132428 | 0.132907 | 0.133384 | 0.133859 | 0.134332 | 0.134804 |
| 2.8 | 0.135274 | 0.135743 | 0.136209 | 0.136674 | 0.137138 | 0.137600 | 0.138060 | 0.138518 | 0.138975 | 0.139431 |
| 2.9 | 0.139885 | 0.140337 | 0.140788 | 0.141237 | 0.141684 | 0.142131 | 0.142575 | 0.143018 | 0.143460 | 0.143900 |
Logarithm Table for base 2021 — N = 3.00–3.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3.0 | 0.144339 | 0.144776 | 0.145212 | 0.145646 | 0.146079 | 0.146510 | 0.146940 | 0.147369 | 0.147796 | 0.148222 |
| 3.1 | 0.148647 | 0.149070 | 0.149492 | 0.149912 | 0.150331 | 0.150749 | 0.151165 | 0.151580 | 0.151994 | 0.152407 |
| 3.2 | 0.152818 | 0.153228 | 0.153637 | 0.154044 | 0.154450 | 0.154855 | 0.155259 | 0.155661 | 0.156062 | 0.156462 |
| 3.3 | 0.156861 | 0.157258 | 0.157655 | 0.158050 | 0.158444 | 0.158837 | 0.159228 | 0.159619 | 0.160008 | 0.160396 |
| 3.4 | 0.160783 | 0.161169 | 0.161554 | 0.161937 | 0.162320 | 0.162701 | 0.163081 | 0.163460 | 0.163839 | 0.164216 |
| 3.5 | 0.164591 | 0.164966 | 0.165340 | 0.165713 | 0.166084 | 0.166455 | 0.166825 | 0.167193 | 0.167561 | 0.167927 |
| 3.6 | 0.168293 | 0.168657 | 0.169021 | 0.169383 | 0.169744 | 0.170105 | 0.170464 | 0.170823 | 0.171180 | 0.171537 |
| 3.7 | 0.171892 | 0.172247 | 0.172601 | 0.172953 | 0.173305 | 0.173656 | 0.174006 | 0.174355 | 0.174703 | 0.175050 |
| 3.8 | 0.175396 | 0.175741 | 0.176086 | 0.176429 | 0.176772 | 0.177114 | 0.177454 | 0.177794 | 0.178133 | 0.178472 |
| 3.9 | 0.178809 | 0.179145 | 0.179481 | 0.179816 | 0.180150 | 0.180483 | 0.180815 | 0.181146 | 0.181477 | 0.181806 |
Logarithm Table for base 2021 — N = 4.00–4.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4.0 | 0.182135 | 0.182463 | 0.182790 | 0.183117 | 0.183443 | 0.183767 | 0.184091 | 0.184415 | 0.184737 | 0.185059 |
| 4.1 | 0.185379 | 0.185699 | 0.186019 | 0.186337 | 0.186655 | 0.186972 | 0.187288 | 0.187604 | 0.187918 | 0.188232 |
| 4.2 | 0.188545 | 0.188858 | 0.189170 | 0.189481 | 0.189791 | 0.190100 | 0.190409 | 0.190717 | 0.191024 | 0.191331 |
| 4.3 | 0.191637 | 0.191942 | 0.192247 | 0.192550 | 0.192853 | 0.193156 | 0.193457 | 0.193758 | 0.194059 | 0.194358 |
| 4.4 | 0.194657 | 0.194956 | 0.195253 | 0.195550 | 0.195846 | 0.196142 | 0.196437 | 0.196731 | 0.197025 | 0.197318 |
| 4.5 | 0.197610 | 0.197902 | 0.198192 | 0.198483 | 0.198773 | 0.199062 | 0.199350 | 0.199638 | 0.199925 | 0.200212 |
| 4.6 | 0.200498 | 0.200783 | 0.201068 | 0.201352 | 0.201635 | 0.201918 | 0.202200 | 0.202482 | 0.202763 | 0.203043 |
| 4.7 | 0.203323 | 0.203602 | 0.203881 | 0.204159 | 0.204436 | 0.204713 | 0.204990 | 0.205265 | 0.205541 | 0.205815 |
| 4.8 | 0.206089 | 0.206363 | 0.206635 | 0.206908 | 0.207179 | 0.207451 | 0.207721 | 0.207991 | 0.208261 | 0.208530 |
| 4.9 | 0.208798 | 0.209066 | 0.209333 | 0.209600 | 0.209866 | 0.210132 | 0.210397 | 0.210662 | 0.210926 | 0.211189 |
Logarithm Table for base 2021 — N = 5.00–5.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 5.0 | 0.211452 | 0.211715 | 0.211977 | 0.212238 | 0.212499 | 0.212760 | 0.213020 | 0.213279 | 0.213538 | 0.213796 |
| 5.1 | 0.214054 | 0.214312 | 0.214568 | 0.214825 | 0.215081 | 0.215336 | 0.215591 | 0.215845 | 0.216099 | 0.216352 |
| 5.2 | 0.216605 | 0.216858 | 0.217110 | 0.217361 | 0.217612 | 0.217863 | 0.218113 | 0.218362 | 0.218611 | 0.218860 |
| 5.3 | 0.219108 | 0.219356 | 0.219603 | 0.219850 | 0.220096 | 0.220342 | 0.220587 | 0.220832 | 0.221076 | 0.221320 |
| 5.4 | 0.221564 | 0.221807 | 0.222049 | 0.222292 | 0.222533 | 0.222775 | 0.223016 | 0.223256 | 0.223496 | 0.223735 |
| 5.5 | 0.223975 | 0.224213 | 0.224451 | 0.224689 | 0.224927 | 0.225164 | 0.225400 | 0.225636 | 0.225872 | 0.226107 |
| 5.6 | 0.226342 | 0.226576 | 0.226810 | 0.227044 | 0.227277 | 0.227510 | 0.227742 | 0.227974 | 0.228205 | 0.228437 |
| 5.7 | 0.228667 | 0.228898 | 0.229127 | 0.229357 | 0.229586 | 0.229815 | 0.230043 | 0.230271 | 0.230498 | 0.230726 |
| 5.8 | 0.230952 | 0.231179 | 0.231405 | 0.231630 | 0.231855 | 0.232080 | 0.232304 | 0.232528 | 0.232752 | 0.232975 |
| 5.9 | 0.233198 | 0.233421 | 0.233643 | 0.233865 | 0.234086 | 0.234307 | 0.234528 | 0.234748 | 0.234968 | 0.235187 |
Logarithm Table for base 2021 — N = 6.00–6.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6.0 | 0.235406 | 0.235625 | 0.235844 | 0.236062 | 0.236279 | 0.236497 | 0.236714 | 0.236930 | 0.237147 | 0.237362 |
| 6.1 | 0.237578 | 0.237793 | 0.238008 | 0.238223 | 0.238437 | 0.238651 | 0.238864 | 0.239077 | 0.239290 | 0.239502 |
| 6.2 | 0.239714 | 0.239926 | 0.240137 | 0.240349 | 0.240559 | 0.240770 | 0.240980 | 0.241189 | 0.241399 | 0.241608 |
| 6.3 | 0.241817 | 0.242025 | 0.242233 | 0.242441 | 0.242648 | 0.242855 | 0.243062 | 0.243268 | 0.243474 | 0.243680 |
| 6.4 | 0.243886 | 0.244091 | 0.244296 | 0.244500 | 0.244704 | 0.244908 | 0.245112 | 0.245315 | 0.245518 | 0.245720 |
| 6.5 | 0.245923 | 0.246125 | 0.246326 | 0.246528 | 0.246729 | 0.246929 | 0.247130 | 0.247330 | 0.247530 | 0.247729 |
| 6.6 | 0.247928 | 0.248127 | 0.248326 | 0.248524 | 0.248722 | 0.248920 | 0.249117 | 0.249315 | 0.249511 | 0.249708 |
| 6.7 | 0.249904 | 0.250100 | 0.250296 | 0.250491 | 0.250686 | 0.250881 | 0.251075 | 0.251270 | 0.251464 | 0.251657 |
| 6.8 | 0.251851 | 0.252044 | 0.252236 | 0.252429 | 0.252621 | 0.252813 | 0.253005 | 0.253196 | 0.253387 | 0.253578 |
| 6.9 | 0.253769 | 0.253959 | 0.254149 | 0.254339 | 0.254528 | 0.254717 | 0.254906 | 0.255095 | 0.255283 | 0.255471 |
Logarithm Table for base 2021 — N = 7.00–7.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 7.0 | 0.255659 | 0.255847 | 0.256034 | 0.256221 | 0.256408 | 0.256594 | 0.256780 | 0.256966 | 0.257152 | 0.257338 |
| 7.1 | 0.257523 | 0.257708 | 0.257892 | 0.258077 | 0.258261 | 0.258445 | 0.258628 | 0.258812 | 0.258995 | 0.259178 |
| 7.2 | 0.259360 | 0.259543 | 0.259725 | 0.259907 | 0.260088 | 0.260269 | 0.260451 | 0.260631 | 0.260812 | 0.260992 |
| 7.3 | 0.261172 | 0.261352 | 0.261532 | 0.261711 | 0.261890 | 0.262069 | 0.262248 | 0.262426 | 0.262604 | 0.262782 |
| 7.4 | 0.262960 | 0.263137 | 0.263315 | 0.263492 | 0.263668 | 0.263845 | 0.264021 | 0.264197 | 0.264373 | 0.264548 |
| 7.5 | 0.264724 | 0.264899 | 0.265073 | 0.265248 | 0.265422 | 0.265597 | 0.265770 | 0.265944 | 0.266118 | 0.266291 |
| 7.6 | 0.266464 | 0.266637 | 0.266809 | 0.266981 | 0.267153 | 0.267325 | 0.267497 | 0.267668 | 0.267839 | 0.268010 |
| 7.7 | 0.268181 | 0.268352 | 0.268522 | 0.268692 | 0.268862 | 0.269032 | 0.269201 | 0.269370 | 0.269539 | 0.269708 |
| 7.8 | 0.269876 | 0.270045 | 0.270213 | 0.270381 | 0.270549 | 0.270716 | 0.270883 | 0.271050 | 0.271217 | 0.271384 |
| 7.9 | 0.271550 | 0.271716 | 0.271882 | 0.272048 | 0.272214 | 0.272379 | 0.272544 | 0.272709 | 0.272874 | 0.273038 |
Logarithm Table for base 2021 — N = 8.00–8.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 8.0 | 0.273203 | 0.273367 | 0.273531 | 0.273695 | 0.273858 | 0.274021 | 0.274184 | 0.274347 | 0.274510 | 0.274673 |
| 8.1 | 0.274835 | 0.274997 | 0.275159 | 0.275321 | 0.275482 | 0.275643 | 0.275805 | 0.275965 | 0.276126 | 0.276287 |
| 8.2 | 0.276447 | 0.276607 | 0.276767 | 0.276927 | 0.277086 | 0.277246 | 0.277405 | 0.277564 | 0.277723 | 0.277881 |
| 8.3 | 0.278040 | 0.278198 | 0.278356 | 0.278514 | 0.278671 | 0.278829 | 0.278986 | 0.279143 | 0.279300 | 0.279456 |
| 8.4 | 0.279613 | 0.279769 | 0.279925 | 0.280081 | 0.280237 | 0.280393 | 0.280548 | 0.280703 | 0.280858 | 0.281013 |
| 8.5 | 0.281168 | 0.281322 | 0.281477 | 0.281631 | 0.281785 | 0.281938 | 0.282092 | 0.282245 | 0.282399 | 0.282552 |
| 8.6 | 0.282704 | 0.282857 | 0.283010 | 0.283162 | 0.283314 | 0.283466 | 0.283618 | 0.283770 | 0.283921 | 0.284072 |
| 8.7 | 0.284223 | 0.284374 | 0.284525 | 0.284676 | 0.284826 | 0.284976 | 0.285126 | 0.285276 | 0.285426 | 0.285576 |
| 8.8 | 0.285725 | 0.285874 | 0.286023 | 0.286172 | 0.286321 | 0.286469 | 0.286618 | 0.286766 | 0.286914 | 0.287062 |
| 8.9 | 0.287209 | 0.287357 | 0.287504 | 0.287652 | 0.287799 | 0.287946 | 0.288092 | 0.288239 | 0.288385 | 0.288531 |
Logarithm Table for base 2021 — N = 9.00–9.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 9.0 | 0.288677 | 0.288823 | 0.288969 | 0.289115 | 0.289260 | 0.289405 | 0.289550 | 0.289695 | 0.289840 | 0.289985 |
| 9.1 | 0.290129 | 0.290274 | 0.290418 | 0.290562 | 0.290705 | 0.290849 | 0.290993 | 0.291136 | 0.291279 | 0.291422 |
| 9.2 | 0.291565 | 0.291708 | 0.291850 | 0.291993 | 0.292135 | 0.292277 | 0.292419 | 0.292561 | 0.292703 | 0.292844 |
| 9.3 | 0.292985 | 0.293127 | 0.293268 | 0.293409 | 0.293549 | 0.293690 | 0.293830 | 0.293971 | 0.294111 | 0.294251 |
| 9.4 | 0.294391 | 0.294530 | 0.294670 | 0.294809 | 0.294949 | 0.295088 | 0.295227 | 0.295365 | 0.295504 | 0.295643 |
| 9.5 | 0.295781 | 0.295919 | 0.296057 | 0.296195 | 0.296333 | 0.296471 | 0.296608 | 0.296746 | 0.296883 | 0.297020 |
| 9.6 | 0.297157 | 0.297294 | 0.297430 | 0.297567 | 0.297703 | 0.297839 | 0.297975 | 0.298111 | 0.298247 | 0.298383 |
| 9.7 | 0.298518 | 0.298654 | 0.298789 | 0.298924 | 0.299059 | 0.299194 | 0.299328 | 0.299463 | 0.299597 | 0.299732 |
| 9.8 | 0.299866 | 0.300000 | 0.300134 | 0.300267 | 0.300401 | 0.300534 | 0.300668 | 0.300801 | 0.300934 | 0.301067 |
| 9.9 | 0.301200 | 0.301332 | 0.301465 | 0.301597 | 0.301729 | 0.301861 | 0.301993 | 0.302125 | 0.302257 | 0.302389 |
Logarithm Table for base 2021 — N = 10.00–10.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 10.0 | 0.302520 | 0.302651 | 0.302783 | 0.302914 | 0.303045 | 0.303175 | 0.303306 | 0.303436 | 0.303567 | 0.303697 |
| 10.1 | 0.303827 | 0.303957 | 0.304087 | 0.304217 | 0.304347 | 0.304476 | 0.304606 | 0.304735 | 0.304864 | 0.304993 |
| 10.2 | 0.305122 | 0.305250 | 0.305379 | 0.305508 | 0.305636 | 0.305764 | 0.305892 | 0.306020 | 0.306148 | 0.306276 |
| 10.3 | 0.306404 | 0.306531 | 0.306658 | 0.306786 | 0.306913 | 0.307040 | 0.307167 | 0.307293 | 0.307420 | 0.307547 |
| 10.4 | 0.307673 | 0.307799 | 0.307925 | 0.308051 | 0.308177 | 0.308303 | 0.308429 | 0.308554 | 0.308680 | 0.308805 |
| 10.5 | 0.308930 | 0.309055 | 0.309180 | 0.309305 | 0.309430 | 0.309554 | 0.309679 | 0.309803 | 0.309927 | 0.310052 |
| 10.6 | 0.310176 | 0.310299 | 0.310423 | 0.310547 | 0.310670 | 0.310794 | 0.310917 | 0.311040 | 0.311163 | 0.311286 |
| 10.7 | 0.311409 | 0.311532 | 0.311655 | 0.311777 | 0.311899 | 0.312022 | 0.312144 | 0.312266 | 0.312388 | 0.312510 |
| 10.8 | 0.312631 | 0.312753 | 0.312874 | 0.312996 | 0.313117 | 0.313238 | 0.313359 | 0.313480 | 0.313601 | 0.313722 |
| 10.9 | 0.313842 | 0.313963 | 0.314083 | 0.314203 | 0.314324 | 0.314444 | 0.314564 | 0.314683 | 0.314803 | 0.314923 |
Logarithm Table for base 2021 — N = 11.00–11.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 11.0 | 0.315042 | 0.315162 | 0.315281 | 0.315400 | 0.315519 | 0.315638 | 0.315757 | 0.315876 | 0.315994 | 0.316113 |
| 11.1 | 0.316231 | 0.316349 | 0.316468 | 0.316586 | 0.316704 | 0.316822 | 0.316939 | 0.317057 | 0.317175 | 0.317292 |
| 11.2 | 0.317409 | 0.317527 | 0.317644 | 0.317761 | 0.317878 | 0.317995 | 0.318111 | 0.318228 | 0.318345 | 0.318461 |
| 11.3 | 0.318577 | 0.318694 | 0.318810 | 0.318926 | 0.319042 | 0.319157 | 0.319273 | 0.319389 | 0.319504 | 0.319620 |
| 11.4 | 0.319735 | 0.319850 | 0.319965 | 0.320080 | 0.320195 | 0.320310 | 0.320425 | 0.320539 | 0.320654 | 0.320768 |
| 11.5 | 0.320882 | 0.320997 | 0.321111 | 0.321225 | 0.321339 | 0.321452 | 0.321566 | 0.321680 | 0.321793 | 0.321907 |
| 11.6 | 0.322020 | 0.322133 | 0.322246 | 0.322359 | 0.322472 | 0.322585 | 0.322698 | 0.322810 | 0.322923 | 0.323035 |
| 11.7 | 0.323148 | 0.323260 | 0.323372 | 0.323484 | 0.323596 | 0.323708 | 0.323820 | 0.323931 | 0.324043 | 0.324154 |
| 11.8 | 0.324266 | 0.324377 | 0.324488 | 0.324599 | 0.324710 | 0.324821 | 0.324932 | 0.325043 | 0.325153 | 0.325264 |
| 11.9 | 0.325374 | 0.325485 | 0.325595 | 0.325705 | 0.325815 | 0.325925 | 0.326035 | 0.326145 | 0.326255 | 0.326364 |
Logarithm Table for base 2021 — N = 12.00–12.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 12.0 | 0.326474 | 0.326583 | 0.326693 | 0.326802 | 0.326911 | 0.327020 | 0.327129 | 0.327238 | 0.327347 | 0.327456 |
| 12.1 | 0.327564 | 0.327673 | 0.327781 | 0.327890 | 0.327998 | 0.328106 | 0.328214 | 0.328322 | 0.328430 | 0.328538 |
| 12.2 | 0.328646 | 0.328753 | 0.328861 | 0.328968 | 0.329076 | 0.329183 | 0.329290 | 0.329397 | 0.329504 | 0.329611 |
| 12.3 | 0.329718 | 0.329825 | 0.329932 | 0.330038 | 0.330145 | 0.330251 | 0.330357 | 0.330464 | 0.330570 | 0.330676 |
| 12.4 | 0.330782 | 0.330888 | 0.330994 | 0.331099 | 0.331205 | 0.331311 | 0.331416 | 0.331522 | 0.331627 | 0.331732 |
| 12.5 | 0.331837 | 0.331942 | 0.332047 | 0.332152 | 0.332257 | 0.332362 | 0.332466 | 0.332571 | 0.332675 | 0.332780 |
| 12.6 | 0.332884 | 0.332988 | 0.333093 | 0.333197 | 0.333301 | 0.333404 | 0.333508 | 0.333612 | 0.333716 | 0.333819 |
| 12.7 | 0.333923 | 0.334026 | 0.334129 | 0.334233 | 0.334336 | 0.334439 | 0.334542 | 0.334645 | 0.334748 | 0.334851 |
| 12.8 | 0.334953 | 0.335056 | 0.335158 | 0.335261 | 0.335363 | 0.335465 | 0.335568 | 0.335670 | 0.335772 | 0.335874 |
| 12.9 | 0.335976 | 0.336077 | 0.336179 | 0.336281 | 0.336382 | 0.336484 | 0.336585 | 0.336687 | 0.336788 | 0.336889 |
Logarithm Table for base 2021 — N = 13.00–13.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 13.0 | 0.336990 | 0.337091 | 0.337192 | 0.337293 | 0.337394 | 0.337495 | 0.337595 | 0.337696 | 0.337796 | 0.337897 |
| 13.1 | 0.337997 | 0.338097 | 0.338197 | 0.338297 | 0.338397 | 0.338497 | 0.338597 | 0.338697 | 0.338797 | 0.338896 |
| 13.2 | 0.338996 | 0.339096 | 0.339195 | 0.339294 | 0.339394 | 0.339493 | 0.339592 | 0.339691 | 0.339790 | 0.339889 |
| 13.3 | 0.339988 | 0.340086 | 0.340185 | 0.340284 | 0.340382 | 0.340481 | 0.340579 | 0.340677 | 0.340776 | 0.340874 |
| 13.4 | 0.340972 | 0.341070 | 0.341168 | 0.341266 | 0.341363 | 0.341461 | 0.341559 | 0.341656 | 0.341754 | 0.341851 |
| 13.5 | 0.341949 | 0.342046 | 0.342143 | 0.342240 | 0.342337 | 0.342434 | 0.342531 | 0.342628 | 0.342725 | 0.342822 |
| 13.6 | 0.342918 | 0.343015 | 0.343111 | 0.343208 | 0.343304 | 0.343400 | 0.343497 | 0.343593 | 0.343689 | 0.343785 |
| 13.7 | 0.343881 | 0.343977 | 0.344072 | 0.344168 | 0.344264 | 0.344359 | 0.344455 | 0.344550 | 0.344646 | 0.344741 |
| 13.8 | 0.344836 | 0.344931 | 0.345027 | 0.345122 | 0.345217 | 0.345311 | 0.345406 | 0.345501 | 0.345596 | 0.345690 |
| 13.9 | 0.345785 | 0.345879 | 0.345974 | 0.346068 | 0.346162 | 0.346257 | 0.346351 | 0.346445 | 0.346539 | 0.346633 |
Logarithm Table for base 2021 — N = 14.00–14.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 14.0 | 0.346727 | 0.346820 | 0.346914 | 0.347008 | 0.347102 | 0.347195 | 0.347289 | 0.347382 | 0.347475 | 0.347569 |
| 14.1 | 0.347662 | 0.347755 | 0.347848 | 0.347941 | 0.348034 | 0.348127 | 0.348220 | 0.348312 | 0.348405 | 0.348498 |
| 14.2 | 0.348590 | 0.348683 | 0.348775 | 0.348868 | 0.348960 | 0.349052 | 0.349144 | 0.349236 | 0.349328 | 0.349420 |
| 14.3 | 0.349512 | 0.349604 | 0.349696 | 0.349788 | 0.349879 | 0.349971 | 0.350062 | 0.350154 | 0.350245 | 0.350337 |
| 14.4 | 0.350428 | 0.350519 | 0.350610 | 0.350701 | 0.350792 | 0.350883 | 0.350974 | 0.351065 | 0.351156 | 0.351246 |
| 14.5 | 0.351337 | 0.351428 | 0.351518 | 0.351609 | 0.351699 | 0.351789 | 0.351880 | 0.351970 | 0.352060 | 0.352150 |
| 14.6 | 0.352240 | 0.352330 | 0.352420 | 0.352510 | 0.352600 | 0.352689 | 0.352779 | 0.352868 | 0.352958 | 0.353047 |
| 14.7 | 0.353137 | 0.353226 | 0.353315 | 0.353405 | 0.353494 | 0.353583 | 0.353672 | 0.353761 | 0.353850 | 0.353939 |
| 14.8 | 0.354028 | 0.354116 | 0.354205 | 0.354294 | 0.354382 | 0.354471 | 0.354559 | 0.354648 | 0.354736 | 0.354824 |
| 14.9 | 0.354912 | 0.355000 | 0.355089 | 0.355177 | 0.355265 | 0.355352 | 0.355440 | 0.355528 | 0.355616 | 0.355704 |
Logarithm Table for base 2021 — N = 15.00–15.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 15.0 | 0.355791 | 0.355879 | 0.355966 | 0.356054 | 0.356141 | 0.356228 | 0.356316 | 0.356403 | 0.356490 | 0.356577 |
| 15.1 | 0.356664 | 0.356751 | 0.356838 | 0.356925 | 0.357012 | 0.357098 | 0.357185 | 0.357272 | 0.357358 | 0.357445 |
| 15.2 | 0.357531 | 0.357618 | 0.357704 | 0.357790 | 0.357877 | 0.357963 | 0.358049 | 0.358135 | 0.358221 | 0.358307 |
| 15.3 | 0.358393 | 0.358479 | 0.358565 | 0.358650 | 0.358736 | 0.358822 | 0.358907 | 0.358993 | 0.359078 | 0.359163 |
| 15.4 | 0.359249 | 0.359334 | 0.359419 | 0.359504 | 0.359590 | 0.359675 | 0.359760 | 0.359845 | 0.359930 | 0.360014 |
| 15.5 | 0.360099 | 0.360184 | 0.360269 | 0.360353 | 0.360438 | 0.360522 | 0.360607 | 0.360691 | 0.360776 | 0.360860 |
| 15.6 | 0.360944 | 0.361028 | 0.361112 | 0.361196 | 0.361281 | 0.361365 | 0.361448 | 0.361532 | 0.361616 | 0.361700 |
| 15.7 | 0.361784 | 0.361867 | 0.361951 | 0.362034 | 0.362118 | 0.362201 | 0.362285 | 0.362368 | 0.362451 | 0.362535 |
| 15.8 | 0.362618 | 0.362701 | 0.362784 | 0.362867 | 0.362950 | 0.363033 | 0.363116 | 0.363199 | 0.363281 | 0.363364 |
| 15.9 | 0.363447 | 0.363529 | 0.363612 | 0.363694 | 0.363777 | 0.363859 | 0.363942 | 0.364024 | 0.364106 | 0.364188 |
Logarithm Table for base 2021 — N = 16.00–16.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 16.0 | 0.364270 | 0.364352 | 0.364435 | 0.364517 | 0.364598 | 0.364680 | 0.364762 | 0.364844 | 0.364926 | 0.365007 |
| 16.1 | 0.365089 | 0.365171 | 0.365252 | 0.365334 | 0.365415 | 0.365496 | 0.365578 | 0.365659 | 0.365740 | 0.365821 |
| 16.2 | 0.365903 | 0.365984 | 0.366065 | 0.366146 | 0.366227 | 0.366307 | 0.366388 | 0.366469 | 0.366550 | 0.366630 |
| 16.3 | 0.366711 | 0.366792 | 0.366872 | 0.366953 | 0.367033 | 0.367113 | 0.367194 | 0.367274 | 0.367354 | 0.367434 |
| 16.4 | 0.367515 | 0.367595 | 0.367675 | 0.367755 | 0.367835 | 0.367915 | 0.367994 | 0.368074 | 0.368154 | 0.368234 |
| 16.5 | 0.368313 | 0.368393 | 0.368472 | 0.368552 | 0.368631 | 0.368711 | 0.368790 | 0.368869 | 0.368949 | 0.369028 |
| 16.6 | 0.369107 | 0.369186 | 0.369265 | 0.369344 | 0.369423 | 0.369502 | 0.369581 | 0.369660 | 0.369739 | 0.369818 |
| 16.7 | 0.369896 | 0.369975 | 0.370053 | 0.370132 | 0.370211 | 0.370289 | 0.370367 | 0.370446 | 0.370524 | 0.370602 |
| 16.8 | 0.370681 | 0.370759 | 0.370837 | 0.370915 | 0.370993 | 0.371071 | 0.371149 | 0.371227 | 0.371305 | 0.371383 |
| 16.9 | 0.371460 | 0.371538 | 0.371616 | 0.371693 | 0.371771 | 0.371848 | 0.371926 | 0.372003 | 0.372081 | 0.372158 |
Logarithm Table for base 2021 — N = 17.00–17.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 17.0 | 0.372235 | 0.372313 | 0.372390 | 0.372467 | 0.372544 | 0.372621 | 0.372698 | 0.372775 | 0.372852 | 0.372929 |
| 17.1 | 0.373006 | 0.373083 | 0.373160 | 0.373236 | 0.373313 | 0.373390 | 0.373466 | 0.373543 | 0.373619 | 0.373696 |
| 17.2 | 0.373772 | 0.373848 | 0.373925 | 0.374001 | 0.374077 | 0.374153 | 0.374230 | 0.374306 | 0.374382 | 0.374458 |
| 17.3 | 0.374534 | 0.374610 | 0.374686 | 0.374761 | 0.374837 | 0.374913 | 0.374989 | 0.375064 | 0.375140 | 0.375215 |
| 17.4 | 0.375291 | 0.375366 | 0.375442 | 0.375517 | 0.375593 | 0.375668 | 0.375743 | 0.375818 | 0.375894 | 0.375969 |
| 17.5 | 0.376044 | 0.376119 | 0.376194 | 0.376269 | 0.376344 | 0.376419 | 0.376494 | 0.376568 | 0.376643 | 0.376718 |
| 17.6 | 0.376793 | 0.376867 | 0.376942 | 0.377016 | 0.377091 | 0.377165 | 0.377240 | 0.377314 | 0.377388 | 0.377463 |
| 17.7 | 0.377537 | 0.377611 | 0.377685 | 0.377759 | 0.377833 | 0.377908 | 0.377982 | 0.378055 | 0.378129 | 0.378203 |
| 17.8 | 0.378277 | 0.378351 | 0.378425 | 0.378498 | 0.378572 | 0.378646 | 0.378719 | 0.378793 | 0.378866 | 0.378940 |
| 17.9 | 0.379013 | 0.379087 | 0.379160 | 0.379233 | 0.379306 | 0.379380 | 0.379453 | 0.379526 | 0.379599 | 0.379672 |
Logarithm Table for base 2021 — N = 18.00–18.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 18.0 | 0.379745 | 0.379818 | 0.379891 | 0.379964 | 0.380037 | 0.380110 | 0.380182 | 0.380255 | 0.380328 | 0.380400 |
| 18.1 | 0.380473 | 0.380546 | 0.380618 | 0.380691 | 0.380763 | 0.380835 | 0.380908 | 0.380980 | 0.381052 | 0.381125 |
| 18.2 | 0.381197 | 0.381269 | 0.381341 | 0.381413 | 0.381485 | 0.381557 | 0.381629 | 0.381701 | 0.381773 | 0.381845 |
| 18.3 | 0.381917 | 0.381989 | 0.382060 | 0.382132 | 0.382204 | 0.382275 | 0.382347 | 0.382418 | 0.382490 | 0.382561 |
| 18.4 | 0.382633 | 0.382704 | 0.382775 | 0.382847 | 0.382918 | 0.382989 | 0.383060 | 0.383132 | 0.383203 | 0.383274 |
| 18.5 | 0.383345 | 0.383416 | 0.383487 | 0.383558 | 0.383629 | 0.383699 | 0.383770 | 0.383841 | 0.383912 | 0.383982 |
| 18.6 | 0.384053 | 0.384124 | 0.384194 | 0.384265 | 0.384335 | 0.384406 | 0.384476 | 0.384547 | 0.384617 | 0.384687 |
| 18.7 | 0.384758 | 0.384828 | 0.384898 | 0.384968 | 0.385038 | 0.385108 | 0.385178 | 0.385248 | 0.385318 | 0.385388 |
| 18.8 | 0.385458 | 0.385528 | 0.385598 | 0.385668 | 0.385738 | 0.385807 | 0.385877 | 0.385947 | 0.386016 | 0.386086 |
| 18.9 | 0.386155 | 0.386225 | 0.386294 | 0.386364 | 0.386433 | 0.386502 | 0.386572 | 0.386641 | 0.386710 | 0.386779 |
Logarithm Table for base 2021 — N = 19.00–19.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 19.0 | 0.386849 | 0.386918 | 0.386987 | 0.387056 | 0.387125 | 0.387194 | 0.387263 | 0.387332 | 0.387401 | 0.387469 |
| 19.1 | 0.387538 | 0.387607 | 0.387676 | 0.387744 | 0.387813 | 0.387882 | 0.387950 | 0.388019 | 0.388087 | 0.388156 |
| 19.2 | 0.388224 | 0.388293 | 0.388361 | 0.388429 | 0.388498 | 0.388566 | 0.388634 | 0.388702 | 0.388771 | 0.388839 |
| 19.3 | 0.388907 | 0.388975 | 0.389043 | 0.389111 | 0.389179 | 0.389247 | 0.389315 | 0.389382 | 0.389450 | 0.389518 |
| 19.4 | 0.389586 | 0.389654 | 0.389721 | 0.389789 | 0.389856 | 0.389924 | 0.389992 | 0.390059 | 0.390126 | 0.390194 |
| 19.5 | 0.390261 | 0.390329 | 0.390396 | 0.390463 | 0.390531 | 0.390598 | 0.390665 | 0.390732 | 0.390799 | 0.390866 |
| 19.6 | 0.390933 | 0.391000 | 0.391067 | 0.391134 | 0.391201 | 0.391268 | 0.391335 | 0.391402 | 0.391469 | 0.391535 |
| 19.7 | 0.391602 | 0.391669 | 0.391735 | 0.391802 | 0.391868 | 0.391935 | 0.392001 | 0.392068 | 0.392134 | 0.392201 |
| 19.8 | 0.392267 | 0.392334 | 0.392400 | 0.392466 | 0.392532 | 0.392599 | 0.392665 | 0.392731 | 0.392797 | 0.392863 |
| 19.9 | 0.392929 | 0.392995 | 0.393061 | 0.393127 | 0.393193 | 0.393259 | 0.393325 | 0.393390 | 0.393456 | 0.393522 |
Logarithm Table for base 2021 — N = 20.00–20.99
| N.i | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 20.0 | 0.393588 | 0.393653 | 0.393719 | 0.393785 | 0.393850 | 0.393916 | 0.393981 | 0.394047 | 0.394112 | 0.394178 |
| 20.1 | 0.394243 | 0.394308 | 0.394374 | 0.394439 | 0.394504 | 0.394569 | 0.394635 | 0.394700 | 0.394765 | 0.394830 |
| 20.2 | 0.394895 | 0.394960 | 0.395025 | 0.395090 | 0.395155 | 0.395220 | 0.395285 | 0.395349 | 0.395414 | 0.395479 |
| 20.3 | 0.395544 | 0.395608 | 0.395673 | 0.395738 | 0.395802 | 0.395867 | 0.395931 | 0.395996 | 0.396060 | 0.396125 |
| 20.4 | 0.396189 | 0.396254 | 0.396318 | 0.396382 | 0.396447 | 0.396511 | 0.396575 | 0.396639 | 0.396704 | 0.396768 |
| 20.5 | 0.396832 | 0.396896 | 0.396960 | 0.397024 | 0.397088 | 0.397152 | 0.397216 | 0.397280 | 0.397344 | 0.397407 |
| 20.6 | 0.397471 | 0.397535 | 0.397599 | 0.397662 | 0.397726 | 0.397790 | 0.397853 | 0.397917 | 0.397980 | 0.398044 |
| 20.7 | 0.398107 | 0.398171 | 0.398234 | 0.398298 | 0.398361 | 0.398424 | 0.398488 | 0.398551 | 0.398614 | 0.398677 |
| 20.8 | 0.398741 | 0.398804 | 0.398867 | 0.398930 | 0.398993 | 0.399056 | 0.399119 | 0.399182 | 0.399245 | 0.399308 |
| 20.9 | 0.399371 | 0.399434 | 0.399496 | 0.399559 | 0.399622 | 0.399685 | 0.399747 | 0.399810 | 0.399873 | 0.399935 |
Other Bases
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