logarithm

This function calculates the natural logarithm of a number.

logarithm ( input_number ) 

The result of this function is of type NUMBER.

The function has one parameter:

1. input_number, type NUMBER: The number whose natural logarithm must be calculated.

Example

@( logarithm( 100 ) ) 

Result: 4.61

Note that the construction @ ( ) around the function means that the result of the function is displayed in the text. This construction must be used in a text part of a model document. The switch from ITP mode to text mode in a model document is made with the # characters. An ITP model document starts in text model, the #BEGIN makes the switch to ITP mode.