The LOG function in Excel returns logarithm of any number with supplied base. If the base is not supplied, by default it is 10.
Syntax of LOG Function
Number: The number of which you want to calculate log in excel.
[base]: The base of the logarithm. By default, it is 10.
Excel LOG Function Example
To find the logarithm of 1000 with base 2 we can write this LOG Formula in Excel:
To find log 1000 with base 10 we can write this LOG function in Excel:
Note that we have not supplied the base argument here. Because by default it is 10.
Now if you know how to do log in excel. LOG function is used in the background to create a LOG scale graph.
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