Log table: 10 0000 0043 0086 0128 0170 0212

10 0000 0043 0086 0128 0170 0212 0253 0294 0334 0374 11 0414 0453 0492 0531 0569 0607 0645 0682 0719 0755 12 0792 0828 0864 0899 0934 4 9 13 17 21 25 30 34 38 4 8 12 ... Log tables allow users to obtain the logarithm of a given number without completing difficult computations, as the logarithmic value may be read straight from the table . Before computers and calculators, logarithms were quickly calculated using a logarithm table . These tables are still useful for quickly calculating logarithms or multiplying large numbers, once you figure out how to use them. What is the base of the natural logarithm ? Natural logarithm has base e, for example, log e (x 2 + 1).