將保持上面電路的縮放比例，并保持數(shù)值在INT類型指令的工作范圍之內(nèi)。然而，DIV指令具有丟棄余數(shù)的固有特性，所以當DIV輸出乘以MUL指令時，也要乘上因為丟棄的余數(shù)引入的誤差。誤差的百分比在輸入值的整個范圍是非線性的，輸入小，誤差的百分比大。通過對比，在上面的例子中，由于DIV操作最后執(zhí)行，結(jié)果更精確，所以丟棄的余數(shù)也沒有被乘進去。如果要求更高的精度，在這個例子中用REAL類型數(shù)學指令代替使余數(shù)不被丟棄。

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