====== Ln function ======


 
==== Description ====
 
Returns the natural (base e) logarithm of an expression.
 
==== Syntax ====
 
//logarithm// = **Ln**(//expression//)
 
==== Parameters ====
 
^Parameter^Description^
|//Expression//|Any legal BASIC+ expression.|


 
==== Returns ====
 
LN calculates the natural logarithm (to the base e) of //expression//. The constant **e** is approximately 2.71828. //Expression// must evaluate to a positive number.
 
==== See Also ====
 
[[exp|EXP() function]], [[pwr|PWR() function]], [[sqrt|SQRT() function]]
 
==== Example ====
 
<code>
* Returns the logarithm of the VALUE expression.

result = Ln(VALUE)
</code>