Returns the natural logarithm of a number. Natural logarithms are based on the constant e (2.71828182845904).
Number is the positive real number for which you want the natural logarithm.
LN is the inverse of the EXP function.
The example may be easier to understand if you copy it to a blank worksheet.
How to copy an example
Create a blank workbook or worksheet.
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Selecting an example from Help
In the worksheet, select cell A1, and press CTRL+V.
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