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1. File| New Application.
2. :
Edit1, Edit2, Edit3, Label1, Label2, Label3, Button1.
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Label1 | Caption | |
Label2 | Caption | |
Label3 | Caption | |
Button 1 | Caption |
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Edit3->Text=FloatToStr(StrToFloat(Edit1->Text)*StrToFloat(Edit2->Text)/2);
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