F floatingflavor Unregistered / Unconfirmed GUEST, unregistred user! 2002-11-06 #1 0.02,48.540这种小数在delphi中定义为floating 或是 decimal?
X xue_anan Unregistered / Unconfirmed GUEST, unregistred user! 2002-11-06 #3 real;double; 分别为实数型和双精度!
老 老人家 Unregistered / Unconfirmed GUEST, unregistred user! 2002-11-06 #6 double real48 single Extended 够用了把