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SUBTRACT (↑ Statements)
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  Verb:         SUBTRACT
 
  Function:     Subtracts one or more numeric data items from another
                and stores the result.
 
  Syntax:       Which format?  Simple  GIVING   CORRESPONDING
 
     ─SUBTRACT─┬─CORRESPONDING─┬─identifier-1 FROM identifier-2──
                 └─CORR──────────┘
 
     ─┬─────────┬──────────────────────────────────────
       └─ROUNDED─┘
 
     ─┬────────────────────────────────────────┬───────
       └─┬──┬─SIZE ERROR imperative-statement-1─┘
         └ON┘
 
     ─┬────────────────────────────────────────────┬───
       └─NOT─┬──┬─SIZE ERROR imperative-statement-2─┘
             └ON┘
 
     ─┬──────────────┬──
       └─END-SUBTRACT─┘
                                    -♦-