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Option Explicit
Dim potflag As Integer '±êʶÊÇ·ñÓÃСÊýµã
Dim numcol As Integer ' µã»÷ÔËËã·ûµÄ¸öÊý
Dim LastInput ' ָʾÉÏÒ»´Î²Ù×÷µÄÄÚÈÝ
Dim colflag 'numcolΪ1ʱ£¬±£´æÔËËã·û
Dim temp1, temp2 '·Ö±ð±£´æÔËËã·ûÁ½¶ËµÄÔËËãÊý
Private Sub CmdCel_Click() 'ÖØÐ¿ªÊ¼¼ÆËã°´Å¥£¬¸ö¼ÆÁ¿ÊýºÍ±êʶ³õʼ»¯
Res = Format(0, "0.")
temp1 = 0
temp2 = 0
numcol = 0
potflag = False
LastInput = "cel" '±êʶ´Ë²Ù×÷Ϊ"cel"
End Sub
Private Sub CmdPot_Click() 'ʹÓÃСÊýµã
If LastInput <> "num" Then
Res = Format(0, "0.")
ElseIf String(1, Res) = "-" Then
Res = Format(0, "-0.")
End If
potflag = True
LastInput = "num" '±êʶ´Ë²Ù×÷Ϊ"num"
End Sub
Private Sub Cmdsign_Click() 'ʹÓÃÕý¸ººÅ
If String(1, Res) <> "-" Then 'Èç¹ûµ±Ç°ÊÇÕýÊýÌí¼Ó¸ººÅ
Res = "-" & Res
Else: Res = Right(Res, Len(Res) - 1) 'Èç¹ûµ±Ç°ÊÇÖ¤ºÅ£¬È¡Ïû¸ººÅ
End If
LastInput = "num" '±êʶ´Ë²Ù×÷Ϊ"num"
End Sub
Private Sub ComCol_Click(Index As Integer) 'µã»÷²Ù×÷·û£¬¿É½øÐÐÁ¬ÐøÔËËã
numcol = numcol + 1 'ͨ¹ýnumcol±êʶµã»÷ÔËËã·ûµÄ´ÎÊý
If numcol = 1 Then 'µ±Ç°ÊýΪ²Ù×÷·û×ó²àÔËËãÊýʱ£¬¼Ç¼µ±Ç°²Ù×÷Êý
temp1 = Res
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