Folgende Syntax wird für das COMPUTE Statement erkannt:

            .---------------------------.              
            V                           |              
>>-COMPUTE----identifier-1--+---------+-+--+- = ---+------------>
                            '-ROUNDED-'    '-EQUAL-'   

>--arithmetic-expression---------------------------------------->

>--+--------------------------------------------+--------------->
   '-+----+--SIZE ERROR--imperative-statement-1-'   
     '-ON-'                                         

>--+-------------------------------------------------+---------->
   '-NOT--+----+--SIZE ERROR--imperative-statement-2-'   
          '-ON-'                                         

>--+-------------+---------------------------------------------><
   '-END-COMPUTE-'