# $EPIC: jn.txt,v 1.3 2006/08/01 03:51:53 sthalik Exp $
======Synopsis:======
$[[jn]](//<level>// //<number>//)

======Technical:======
  * Returns the bessel function of the first kind of the order //<level>// for //<number>//.
  * If the <level> or <number> argument is omitted the empty string is returned.
  * As always, the return value is limited to 6 decimal places.
  * As always, DOM or RANGE means there was an error.

======Returns:======
The bessel function of the first kind of the order //<level>// for //<number>//.

======History:======