function/FN                                                       function/FN
 
 NAME
     FN -- Calls user-defined function
 
 ABBREVIATION
     None

 SYNOPSIS
     FN<fnc_name>(<number>)

 FUNCTION
     Returns the value of the user-defined function <fnc_name> created in a 
     DEF FN statement.
 
 INPUTS
     <fnc_name> - name of the user-defined function
     <number>   - value to be passed to the function
 
 RESULT
     Returns the result of the called function (numeric).

 EXAMPLES
     None
 
 NOTES
     None
 
 BUGS
     None
 
 SEE ALSO
     DEF FN