what is the logic behind the log tables and how to find logs and antilogs orally?

Kushal K asked:


base of the log is 10 and i want to calculate the mantissa part of the answer orally without using the log tables an also be able to find antilogs of the numbers orally.How were the log tables made without using the calculators?
base of the log is 10 and i want to calculate the mantissa part of the answer orally without using the log tables an also be able to find antilogs of the numbers orally.How were the log tables made without using the calculators?It is possible to do it. I have seen people doing it.
It is possible and I have seen it.

Judy
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Comments

  1. Joe K
    March 10th, 2009 | 9:39 am

    Tables were made by lot of calculations back before there were computers there were computers there is no easy way to calculate them in your head or even with pencil.
    Tables were made by lot of calculations back before there is no easy way to calculate them in your head or even with pencil.