^_^,不好意思,帮看看
Private Sub Command26_Click() '后退键
Call qingshuru
If Text1.Text <> "" Then
Text1.Text = Mid(Text1.Text, 1, Len(Text1.Text) - 1)
End If
Text1.SetFocus '焦点停在输入框
Text1.SelStart = Len(Text1.Text) '焦点在文本最后
End Sub
’================================================================
Private Sub Command25_Click() '等于号按钮
If Text1.Text = "请输入算式" Then
Text1.Text = ""
ElseIf Text1.Text = "" Then
Text2.Text = ""
Else
t = Text1.Text
Call hunhe
ling: If p = 1 Then
Text2.Text = "错误,除数不能为零。"
Else
If h < 1 And h > -1 Then
Text2.Text = "=" & Replace(h, ".", "0.")
Else
Text2.Text = "=" & h
End If
End If
End If
Text1.SetFocus '焦点停在输入框
Text1.SelStart = Len(Text1.Text) '焦点在文本最后
End Sub