Returns the natural logarithm of a number. Natural logarithms are based on the constant e (2.71828182845904).
Syntax
LN(number)
Number is the positive real number for which you want the natural logarithm.
Remark
LN is the inverse of the EXP function.
Examples
| Formula | Description (Result) |
|---|---|
| =LN(86) | Natural logarithm of 86 (4.454347) |
| =LN(2.7182818) | Natural logarithm of the value of the constant e (1) |
| =LN(EXP(3)) | Natural logarithm of e raised to the power of 3 (3) |
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