NLG

Natural Logarithm

This numeric function returns the natural logarithm of a positive number to the base e(2.718282).

Syntax

NLG (numeric-value [,ERR=line-ref|,ERC=error-code])

numeric-value: is any positive number.
line-ref: is the program line number or label to branch to if an error is produced by this function.
error-code: is a programmer-defined error code. Valid values are positive or negative whole numbers.

If an attempt is made to use 0 or a negative number for numeric-value, an ERR=40 results.

NLG (2)

The result is 0.6931.

NLG (5)

The result is 1.6094.

NLG (10)

The result is 2.3026.

NLG (100)

The result is 4.6052.

These examples assume PRECISION 4.