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var
Time1, Time2: Longint;
p, q: Double;
w: Integer;
begin
P := 1234.566;
Time1 := GetTickCount;
For w = 1 To 1000000 DO
Q := Q + P * 12 + P /33;
Time2 := GetTickCount;
Edit1.Text := IntToStr(Time2 - Time1);
end;