SOLUTION: log(1.00417) how to see in the log table ?

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Question 739606: log(1.00417) how to see in the log table ?
Found 2 solutions by Alan3354, KMST:
Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website!
log(1.00417) how to see in the log table ?
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I don't have a log table. Well, there might be one somewhere here, but I don't use one.
I use a calculator.

Answer by KMST(5328) (Show Source):
You can put this solution on YOUR website!
I have not seen a log tables book in the last 40 years.
I found an easy to read one at http://www.sosmath.com/tables/logtable/logtable.html
That table said that:
and log(1.005)=0.00216606}}}
To find an approximation of the log for numbers in between, we do .
Interpolation is the calculation of the approximate value of a function in between two known values, assuming that a straight line is a good approximation.

USING LINEAR FUNCTIONS DEFINITIONS:
The slope of the line would be

The equation of the line would be
(a point slope form of the equation)
or the equivalent

Reading those logs in other tables may get a lot more complicated.

NOT MENTIONING LINEAR FUNCTIONS:
We are assuming that the increase in the log is proportional to the increase in the number.
We know the ratio for the increases in the points from the table:

The increase between and will be proportional, so