Dim shishu As Double
Dim yi As Double
Dim er As Double
Dim fuhao As String
‘按件数组
Private Sub Command1_Click(Index As Integer)
din = 0
‘数字设置：
Select Case Index
Case 1 To 9
Text1.Text = Val(Text1.Text & Index)
‘ 零的设置：
Case 0
If Val(Text1.Text) = 0 Then
Text1.Text = Index
Else
Text1.Text = Val(Text1.Text & "0")
End If
点号设置：
Case 14
For i = 1 To Len(Text1.Text)
If Mid(Text1.Text, i, 1) = "." Then din = 1
Next i
If din = 1 Then
Else
Text1.Text = Text1.Text & "."
End If
符号记录：
Case 10
fuhao = "+"
yi = Val(Text1.Text)
Text1.Text = ""
Command1(10).Enabled = False
Command1(11).Enabled = False
Command1(12).Enabled = False
Command1(13).Enabled = False
Case 11
fuhao = "-"
yi = Val(Text1.Text)
Text1.Text = ""
Command1(10).Enabled = False
Command1(11).Enabled = False
Command1(12).Enabled = False
Command1(13).Enabled = False
Case 12
fuhao = "*"
yi = Val(Text1.Text)
Text1.Text = ""
Command1(10).Enabled = False
Command1(11).Enabled = False
Command1(12).Enabled = False
Command1(13).Enabled = False
Case 13
fuhao = "/"
yi = Val(Text1.Text)
Text1.Text = ""
Command1(10).Enabled = False
Command1(11).Enabled = False
Command1(12).Enabled = False
Command1(13).Enabled = False
End Select
End Sub
‘进制函数：
Private Function panda(ByVal sel As Single) As String
Dim a As String
Dim ms As String
Do While sel 0
a = Str(sel Mod 2)
sel = sel 2
ms = a & ms
Loop
panda = ms
End Function
等号设置：
Private Sub Command2_Click()
er = Val(Text1.Text)
If fuhao = "+" Then
Text1.Text = yi + er
ElseIf fuhao = "-" Then
Text1.Text = yi - er
ElseIf fuhao = "*" Then
Text1.Text = yi * er
Else
If fuhao = "/" And er 0 Then
Text1.Text = Format(yi / er, "0.00")
Else
MsgBox "除数不能为零！", , "INFORMATION"
End If
End If
Command1(10).Enabled = True
Command1(11).Enabled = True
Command1(12).Enabled = True
Command1(13).Enabled = True
End Sub
清零设置：
Private Sub Command3_Click()
Text1.Text = "0"
fuhao = ""
yi = 0
er = 0
shishu = 0
End Sub
正负号设置：
Private Sub Command4_Click()
Text1.Text = Val(0 - Text1.Text)
End Sub
Private Sub Form_Load()
Text1.Text = 0
End Sub
进制设置：
Private Sub Option1_Click()
shishu = Val(Text1.Text)
Text1.Text = Hex(shishu)
For i = 1 To 14
Command1(i).Enabled = False
Next i
Command2.Enabled = False
Command3.Enabled = False
Command4.Enabled = False
End Sub
Private Sub Option2_Click()
Text1.Text = shishu
For i = 1 To 14
Command1(i).Enabled = True
Next i
Command2.Enabled = True
Command3.Enabled = True
Command4.Enabled = True
End Sub
Private Sub Option3_Click()
shishu = Val(Text1.Text)
Text1.Text = panda(shishu)
For i = 1 To 14
Command1(i).Enabled = False
Next i
Command2.Enabled = False
Command3.Enabled = False
Command4.Enabled = False
End Sub 0