Logarithm Tables

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Logarithm Table for base 20 for range 1+

0 1 2 3 4 5 6 7 8 9
1.0 0.000000 0.003322 0.006610 0.009867 0.013092 0.016287 0.019451 0.022585 0.025690 0.028767
1.1 0.031815 0.034836 0.037830 0.040797 0.043738 0.046654 0.049544 0.052409 0.055250 0.058067
1.2 0.060860 0.063631 0.066378 0.069103 0.071806 0.074487 0.077147 0.079786 0.082404 0.085002
1.3 0.087579 0.090137 0.092676 0.095195 0.097696 0.100177 0.102641 0.105086 0.107514 0.109924
1.4 0.112317 0.114693 0.117052 0.119395 0.121721 0.124031 0.126325 0.128604 0.130867 0.133115
1.5 0.135348 0.137566 0.139769 0.141958 0.144133 0.146293 0.148440 0.150573 0.152692 0.154798
1.6 0.156891 0.158971 0.161038 0.163092 0.165134 0.167163 0.169180 0.171185 0.173178 0.175159
1.7 0.177128 0.179086 0.181032 0.182967 0.184891 0.186804 0.188706 0.190598 0.192478 0.194348
1.8 0.196208 0.198057 0.199897 0.201726 0.203545 0.205354 0.207154 0.208943 0.210724 0.212495
1.9 0.214256 0.216008 0.217751 0.219486 0.221211 0.222927 0.224634 0.226333 0.228023 0.229705

Logarithm Table for base 20 for range 2+

0 1 2 3 4 5 6 7 8 9
2.0 0.231378 0.233043 0.234700 0.236348 0.237988 0.239621 0.241245 0.242862 0.244470 0.246071
2.1 0.247665 0.249251 0.250829 0.252400 0.253963 0.255519 0.257068 0.258610 0.260145 0.261673
2.2 0.263194 0.264707 0.266214 0.267715 0.269208 0.270695 0.272175 0.273649 0.275117 0.276577
2.3 0.278032 0.279480 0.280922 0.282358 0.283787 0.285211 0.286628 0.288040 0.289445 0.290845
2.4 0.292239 0.293627 0.295009 0.296385 0.297756 0.299122 0.300481 0.301835 0.303184 0.304527
2.5 0.305865 0.307198 0.308525 0.309847 0.311164 0.312476 0.313782 0.315084 0.316380 0.317671
2.6 0.318958 0.320239 0.321515 0.322787 0.324054 0.325316 0.326573 0.327826 0.329074 0.330317
2.7 0.331556 0.332790 0.334019 0.335244 0.336465 0.337681 0.338892 0.340100 0.341303 0.342501
2.8 0.343695 0.344885 0.346071 0.347253 0.348430 0.349604 0.350773 0.351938 0.353099 0.354256
2.9 0.355409 0.356558 0.357703 0.358845 0.359982 0.361115 0.362245 0.363371 0.364493 0.365611

Logarithm Table for base 20 for range 3+

0 1 2 3 4 5 6 7 8 9
3.0 0.366726 0.367837 0.368944 0.370047 0.371147 0.372243 0.373336 0.374425 0.375511 0.376593
3.1 0.377671 0.378746 0.379818 0.380886 0.381951 0.383012 0.384070 0.385125 0.386176 0.387224
3.2 0.388269 0.389311 0.390349 0.391384 0.392416 0.393445 0.394470 0.395493 0.396512 0.397528
3.3 0.398541 0.399551 0.400558 0.401562 0.402563 0.403561 0.404556 0.405548 0.406537 0.407523
3.4 0.408506 0.409487 0.410464 0.411439 0.412411 0.413379 0.414346 0.415309 0.416270 0.417227
3.5 0.418183 0.419135 0.420085 0.421032 0.421976 0.422917 0.423856 0.424793 0.425727 0.426658
3.6 0.427586 0.428512 0.429436 0.430356 0.431275 0.432191 0.433104 0.434015 0.434923 0.435829
3.7 0.436732 0.437633 0.438532 0.439428 0.440322 0.441213 0.442102 0.442989 0.443873 0.444755
3.8 0.445634 0.446512 0.447387 0.448259 0.449130 0.449998 0.450864 0.451727 0.452589 0.453448
3.9 0.454305 0.455160 0.456013 0.456863 0.457711 0.458558 0.459402 0.460243 0.461083 0.461921

Logarithm Table for base 20 for range 4+

0 1 2 3 4 5 6 7 8 9
4.0 0.462756 0.463590 0.464421 0.465251 0.466078 0.466903 0.467726 0.468548 0.469367 0.470184
4.1 0.470999 0.471812 0.472623 0.473433 0.474240 0.475045 0.475849 0.476650 0.477450 0.478247
4.2 0.479043 0.479837 0.480629 0.481419 0.482207 0.482993 0.483778 0.484561 0.485341 0.486120
4.3 0.486898 0.487673 0.488447 0.489218 0.489988 0.490757 0.491523 0.492288 0.493051 0.493812
4.4 0.494572 0.495330 0.496086 0.496840 0.497593 0.498344 0.499093 0.499841 0.500586 0.501331
4.5 0.502073 0.502814 0.503554 0.504291 0.505027 0.505762 0.506495 0.507226 0.507956 0.508684
4.6 0.509410 0.510135 0.510858 0.511580 0.512300 0.513019 0.513736 0.514452 0.515166 0.515878
4.7 0.516589 0.517299 0.518007 0.518713 0.519418 0.520121 0.520823 0.521524 0.522223 0.522921
4.8 0.523617 0.524312 0.525005 0.525697 0.526387 0.527076 0.527764 0.528450 0.529134 0.529818
4.9 0.530500 0.531180 0.531859 0.532537 0.533214 0.533889 0.534562 0.535235 0.535906 0.536575

Logarithm Table for base 20 for range 5+

0 1 2 3 4 5 6 7 8 9
5.0 0.537244 0.537911 0.538576 0.539240 0.539903 0.540565 0.541225 0.541884 0.542542 0.543199
5.1 0.543854 0.544508 0.545160 0.545812 0.546462 0.547111 0.547758 0.548404 0.549049 0.549693
5.2 0.550336 0.550977 0.551617 0.552256 0.552894 0.553530 0.554165 0.554799 0.555432 0.556064
5.3 0.556694 0.557323 0.557951 0.558578 0.559204 0.559829 0.560452 0.561074 0.561695 0.562315
5.4 0.562934 0.563551 0.564168 0.564783 0.565397 0.566010 0.566622 0.567233 0.567843 0.568451
5.5 0.569059 0.569665 0.570271 0.570875 0.571478 0.572080 0.572681 0.573281 0.573879 0.574477
5.6 0.575074 0.575669 0.576264 0.576857 0.577449 0.578041 0.578631 0.579220 0.579809 0.580396
5.7 0.580982 0.581567 0.582151 0.582734 0.583316 0.583897 0.584477 0.585056 0.585634 0.586211
5.8 0.586787 0.587362 0.587936 0.588510 0.589082 0.589653 0.590223 0.590792 0.591360 0.591927
5.9 0.592494 0.593059 0.593623 0.594187 0.594749 0.595311 0.595871 0.596431 0.596989 0.597547

Logarithm Table for base 20 for range 6+

0 1 2 3 4 5 6 7 8 9
6.0 0.598104 0.598660 0.599215 0.599769 0.600322 0.600874 0.601426 0.601976 0.602525 0.603074
6.1 0.603622 0.604168 0.604714 0.605259 0.605803 0.606347 0.606889 0.607430 0.607971 0.608511
6.2 0.609050 0.609587 0.610125 0.610661 0.611196 0.611731 0.612264 0.612797 0.613329 0.613860
6.3 0.614391 0.614920 0.615449 0.615976 0.616503 0.617029 0.617555 0.618079 0.618603 0.619126
6.4 0.619647 0.620169 0.620689 0.621209 0.621727 0.622245 0.622762 0.623279 0.623794 0.624309
6.5 0.624823 0.625336 0.625848 0.626360 0.626871 0.627381 0.627890 0.628399 0.628906 0.629413
6.6 0.629919 0.630425 0.630929 0.631433 0.631936 0.632439 0.632940 0.633441 0.633941 0.634440
6.7 0.634939 0.635437 0.635934 0.636430 0.636926 0.637421 0.637915 0.638409 0.638901 0.639393
6.8 0.639884 0.640375 0.640865 0.641354 0.641842 0.642330 0.642817 0.643303 0.643789 0.644274
6.9 0.644758 0.645241 0.645724 0.646206 0.646687 0.647168 0.647648 0.648127 0.648606 0.649084

Logarithm Table for base 20 for range 7+

0 1 2 3 4 5 6 7 8 9
7.0 0.649561 0.650037 0.650513 0.650988 0.651463 0.651937 0.652410 0.652882 0.653354 0.653825
7.1 0.654296 0.654766 0.655235 0.655703 0.656171 0.656638 0.657105 0.657571 0.658036 0.658500
7.2 0.658964 0.659428 0.659890 0.660352 0.660814 0.661275 0.661735 0.662194 0.662653 0.663111
7.3 0.663569 0.664026 0.664482 0.664938 0.665393 0.665847 0.666301 0.666754 0.667207 0.667659
7.4 0.668110 0.668561 0.669011 0.669461 0.669910 0.670358 0.670806 0.671253 0.671700 0.672146
7.5 0.672591 0.673036 0.673480 0.673924 0.674367 0.674809 0.675251 0.675692 0.676133 0.676573
7.6 0.677013 0.677451 0.677890 0.678328 0.678765 0.679201 0.679637 0.680073 0.680508 0.680942
7.7 0.681376 0.681809 0.682242 0.682674 0.683106 0.683537 0.683967 0.684397 0.684826 0.685255
7.8 0.685683 0.686111 0.686538 0.686965 0.687391 0.687816 0.688241 0.688666 0.689090 0.689513
7.9 0.689936 0.690358 0.690780 0.691201 0.691622 0.692042 0.692461 0.692881 0.693299 0.693717

Logarithm Table for base 20 for range 8+

0 1 2 3 4 5 6 7 8 9
8.0 0.694135 0.694552 0.694968 0.695384 0.695800 0.696214 0.696629 0.697043 0.697456 0.697869
8.1 0.698281 0.698693 0.699105 0.699515 0.699926 0.700336 0.700745 0.701154 0.701562 0.701970
8.2 0.702377 0.702784 0.703190 0.703596 0.704002 0.704406 0.704811 0.705215 0.705618 0.706021
8.3 0.706423 0.706825 0.707227 0.707628 0.708028 0.708428 0.708828 0.709227 0.709625 0.710024
8.4 0.710421 0.710818 0.711215 0.711611 0.712007 0.712402 0.712797 0.713191 0.713585 0.713979
8.5 0.714372 0.714764 0.715156 0.715548 0.715939 0.716329 0.716720 0.717109 0.717499 0.717887
8.6 0.718276 0.718664 0.719051 0.719438 0.719825 0.720211 0.720597 0.720982 0.721367 0.721751
8.7 0.722135 0.722518 0.722901 0.723284 0.723666 0.724048 0.724429 0.724810 0.725190 0.725570
8.8 0.725950 0.726329 0.726708 0.727086 0.727464 0.727841 0.728218 0.728595 0.728971 0.729347
8.9 0.729722 0.730097 0.730471 0.730845 0.731219 0.731592 0.731965 0.732337 0.732709 0.733080

Logarithm Table for base 20 for range 9+

0 1 2 3 4 5 6 7 8 9
9.0 0.733452 0.733822 0.734193 0.734562 0.734932 0.735301 0.735670 0.736038 0.736406 0.736773
9.1 0.737140 0.737507 0.737873 0.738239 0.738604 0.738969 0.739334 0.739698 0.740062 0.740425
9.2 0.740788 0.741151 0.741513 0.741875 0.742237 0.742598 0.742958 0.743319 0.743678 0.744038
9.3 0.744397 0.744756 0.745114 0.745472 0.745830 0.746187 0.746544 0.746900 0.747256 0.747612
9.4 0.747967 0.748322 0.748677 0.749031 0.749385 0.749738 0.750091 0.750444 0.750796 0.751148
9.5 0.751500 0.751851 0.752202 0.752552 0.752902 0.753252 0.753601 0.753950 0.754299 0.754647
9.6 0.754995 0.755343 0.755690 0.756037 0.756383 0.756729 0.757075 0.757420 0.757765 0.758110
9.7 0.758454 0.758798 0.759142 0.759485 0.759828 0.760170 0.760513 0.760855 0.761196 0.761537
9.8 0.761878 0.762218 0.762559 0.762898 0.763238 0.763577 0.763915 0.764254 0.764592 0.764930
9.9 0.765267 0.765604 0.765941 0.766277 0.766613 0.766949 0.767284 0.767619 0.767954 0.768288

Logarithm Table for base 20 for range 10+

0 1 2 3 4 5 6 7 8 9
10.0 0.768622 0.768955 0.769289 0.769622 0.769954 0.770287 0.770619 0.770950 0.771282 0.771613
10.1 0.771943 0.772274 0.772604 0.772933 0.773263 0.773592 0.773920 0.774249 0.774577 0.774905
10.2 0.775232 0.775559 0.775886 0.776212 0.776539 0.776864 0.777190 0.777515 0.777840 0.778165
10.3 0.778489 0.778813 0.779136 0.779460 0.779783 0.780105 0.780428 0.780750 0.781071 0.781393
10.4 0.781714 0.782035 0.782355 0.782676 0.782995 0.783315 0.783634 0.783953 0.784272 0.784590
10.5 0.784908 0.785226 0.785544 0.785861 0.786178 0.786494 0.786810 0.787126 0.787442 0.787757
10.6 0.788072 0.788387 0.788702 0.789016 0.789330 0.789643 0.789957 0.790270 0.790582 0.790895
10.7 0.791207 0.791519 0.791830 0.792141 0.792452 0.792763 0.793073 0.793383 0.793693 0.794003
10.8 0.794312 0.794621 0.794930 0.795238 0.795546 0.795854 0.796161 0.796469 0.796776 0.797082
10.9 0.797389 0.797695 0.798001 0.798306 0.798611 0.798916 0.799221 0.799525 0.799830 0.800134

Logarithm Table for base 20 for range 11+

0 1 2 3 4 5 6 7 8 9
11.0 0.800437 0.800740 0.801043 0.801346 0.801649 0.801951 0.802253 0.802555 0.802856 0.803157
11.1 0.803458 0.803759 0.804059 0.804359 0.804659 0.804958 0.805258 0.805557 0.805855 0.806154
11.2 0.806452 0.806750 0.807047 0.807345 0.807642 0.807939 0.808235 0.808532 0.808828 0.809123
11.3 0.809419 0.809714 0.810009 0.810304 0.810599 0.810893 0.811187 0.811480 0.811774 0.812067
11.4 0.812360 0.812653 0.812945 0.813237 0.813529 0.813821 0.814112 0.814404 0.814694 0.814985
11.5 0.815275 0.815566 0.815856 0.816145 0.816435 0.816724 0.817013 0.817301 0.817590 0.817878
11.6 0.818166 0.818453 0.818741 0.819028 0.819315 0.819601 0.819888 0.820174 0.820460 0.820745
11.7 0.821031 0.821316 0.821601 0.821886 0.822170 0.822454 0.822738 0.823022 0.823306 0.823589
11.8 0.823872 0.824155 0.824437 0.824719 0.825002 0.825283 0.825565 0.825846 0.826127 0.826408
11.9 0.826689 0.826969 0.827249 0.827529 0.827809 0.828088 0.828368 0.828647 0.828925 0.829204

Logarithm Table for base 20 for range 12+

0 1 2 3 4 5 6 7 8 9
12.0 0.829482 0.829760 0.830038 0.830316 0.830593 0.830870 0.831147 0.831424 0.831700 0.831976
12.1 0.832252 0.832528 0.832804 0.833079 0.833354 0.833629 0.833904 0.834178 0.834452 0.834726
12.2 0.835000 0.835273 0.835547 0.835820 0.836092 0.836365 0.836637 0.836910 0.837182 0.837453
12.3 0.837725 0.837996 0.838267 0.838538 0.838809 0.839079 0.839349 0.839619 0.839889 0.840158
12.4 0.840428 0.840697 0.840966 0.841234 0.841503 0.841771 0.842039 0.842307 0.842574 0.842842
12.5 0.843109 0.843376 0.843643 0.843909 0.844175 0.844442 0.844707 0.844973 0.845238 0.845504
12.6 0.845769 0.846034 0.846298 0.846563 0.846827 0.847091 0.847355 0.847618 0.847881 0.848145
12.7 0.848408 0.848670 0.848933 0.849195 0.849457 0.849719 0.849981 0.850242 0.850504 0.850765
12.8 0.851026 0.851286 0.851547 0.851807 0.852067 0.852327 0.852587 0.852846 0.853106 0.853365
12.9 0.853623 0.853882 0.854141 0.854399 0.854657 0.854915 0.855172 0.855430 0.855687 0.855944

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