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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.



Description (Result)


Natural logarithm of 86 (4.454347)


Natural logarithm of the value of the constant e (1)


Natural logarithm of e raised to the power of 3 (3)

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