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COMPUTE (↑ Statements)
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────────────────────────────────────────────────────────────────────────────
 
  Verb:         COMPUTE
 
  Function:     Evaluates an arithmetic expression and stores
                the result.
 
  Syntax:
              ┌──────────────────────┐
              ▼                      │
  ──COMPUTE identifier-1─┬─────────┬─┬─ = ───┬─arithmetic-expression──
                           └─ROUNDED─┘ └─EQUAL─┘
 
  ─┬────────────────────────────────────────┬────────
    └─┬──┬─SIZE ERROR imperative-statement-1─┘
      └ON┘
 
  ─┬────────────────────────────────────────────┬────
    └─NOT─┬──┬─SIZE ERROR imperative-statement-2─┘
          └ON┘
 
  ─┬─────────────┬──
    └─END-COMPUTE─┘
                                    -♦-