LN

Description: Returns the natural logarithm of a number.

Syntax: LN(Number)

• Number is the positive real number for which you want the natural logarithm.

Remarks:

• LN is the inverse of the EXP function.

• When used in an event analysis flowchart, Number must evaluate to a numerical value. It can include:

• Numerical values

• Standard operands (+, -, *, /)

• Predefined mathematical functions (exp, log, sin, etc.)

• Event analysis internal functions

• Event analysis resources

• References to any ReliaSoft Workbooks

Example:

• LN(86) = 4.454347