ln

Use ln to compute the natural logarithm of a specified value.

Basic syntax

To compute the natural logarithm of a value, use the following syntax:

(ln value)

Arguments

Use the following argument to specify the value for which you want to compute the natural logarithm using the ln Pact function.

Argument	Type	Description
value	integer or decimal	Specifies the value for which you want to compute the natural logarithm.

Return value

The ln function returns the natural logarithm of the specified value.

Examples

The following example demonstrates how to use the ln function to computer the natural logarithm for the value of 60 and round the result to 6 decimal places:

pact> (round (ln 60) 6)
4.094345