LN

See also A-Z Spreadsheet Function List

Description Returns the natural logarithm (based on the constant e) of a number.

Syntax LN(number)

number is any positive real number.

Remarks LN is the inverse of the EXP function.

See Also EXP , LOG , and LOG10 functions

Examples LN(12.18) returns 2.50

         LN(20.09) returns 3.00