To find anti log of a number enter the number as the exponent of 10.
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The anti-log is "10^x" listed above the "LOG" key on a TI-86 calculator. All you have to do to use it is press the yellow "2nd" key (this means shift) and then press the "LOG" key.
Various methods, but you will need some sort of calculating device. The easiest is to use a pocket calculator or computer spreadsheet and enter 2^1.4 If you do not have such a device, your next best bet is to use log tables. 2^1.4 = ??? → log(2^1.4) = log(???) → 1.4 × log(2) = log(???) → base^(1.4 × log(2)) = base^(log(???)) = ??? So, using any base multiply the log of 2 by 1.4 and find the anti-log of that value. Using 4-figure logs to base 10: 2^1.4 = 10^(1.4 × log 2)) (in my tables I convert 2.000 to 20-0-0 to find 20-0 gives me 3010) ≈ 10^(1.4 × 0.3010) = 10^(0.4214) (in my tables I find 26-3 gives 4200, 26-4 gives 4216, mean difference 8 gives 13, 9 gives 15, so round up making the anti-log:) ≈ 2.64
If you are trying do logba, there are three ways of doing it.Update to OS 2.53Install the Omnicalc App (don't update to OS 2.53, Omnicalc will conflict)Use the change of base formula. log(a)/log(b)
Well, darling, to calculate log base 2 on your TI-86 calculator, you simply press the "LOG" button, then type in "2" and hit enter. Voila! You've got your answer. Now go forth and conquer those logarithms like the math boss you are.
You use a scientific calculator. Doing the calculations with pencil and paper is possible, but it takes way too much time to do it regularly.