VERSION 5.00
Begin VB.Form Form1 
   AutoRedraw      =   -1  'True
   Caption         =   "Calculator"
   ClientHeight    =   870
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   2415
   LinkTopic       =   "Form1"
   ScaleHeight     =   870
   ScaleWidth      =   2415
   StartUpPosition =   2  'CenterScreen
   Begin VB.TextBox Text2 
      Height          =   285
      Left            =   0
      TabIndex        =   21
      Top             =   840
      Visible         =   0   'False
      Width           =   2415
   End
   Begin VB.CommandButton Command20 
      Caption         =   "="
      Height          =   255
      Left            =   2160
      TabIndex        =   20
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command19 
      Caption         =   "+"
      Height          =   255
      Left            =   1920
      TabIndex        =   19
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command18 
      Caption         =   "-"
      Height          =   255
      Left            =   1680
      TabIndex        =   18
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command17 
      Caption         =   "*"
      Height          =   255
      Left            =   1440
      TabIndex        =   17
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command16 
      Caption         =   "/"
      Height          =   255
      Left            =   1200
      TabIndex        =   16
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command15 
      Caption         =   ","
      Height          =   255
      Left            =   960
      TabIndex        =   15
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command14 
      Caption         =   "-+"
      Height          =   255
      Left            =   720
      TabIndex        =   14
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command13 
      Caption         =   "M"
      Height          =   255
      Left            =   480
      TabIndex        =   13
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command12 
      Caption         =   "b"
      Height          =   255
      Left            =   240
      TabIndex        =   12
      Top             =   600
      Width           =   255
   End
   Begin VB.CommandButton Command11 
      Caption         =   "c"
      Height          =   255
      Left            =   0
      TabIndex        =   11
      Top             =   600
      Width           =   255
   End
   Begin VB.TextBox Text1 
      Alignment       =   1  'Right Justify
      Height          =   285
      Left            =   0
      Locked          =   -1  'True
      MaxLength       =   25
      TabIndex        =   10
      Text            =   "0"
      Top             =   0
      Width           =   2415
   End
   Begin VB.CommandButton Command10 
      Caption         =   "0"
      Height          =   255
      Left            =   2160
      TabIndex        =   9
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command9 
      Caption         =   "9"
      Height          =   255
      Left            =   1920
      TabIndex        =   8
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command8 
      Caption         =   "8"
      Height          =   255
      Left            =   1680
      TabIndex        =   7
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command7 
      Caption         =   "7"
      Height          =   255
      Left            =   1440
      TabIndex        =   6
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command6 
      Caption         =   "6"
      Height          =   255
      Left            =   1200
      TabIndex        =   5
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command5 
      Caption         =   "5"
      Height          =   255
      Left            =   960
      TabIndex        =   4
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command4 
      Caption         =   "4"
      Height          =   255
      Left            =   720
      TabIndex        =   3
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command3 
      Caption         =   "3"
      Height          =   255
      Left            =   480
      TabIndex        =   2
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command2 
      Caption         =   "2"
      Height          =   255
      Left            =   240
      TabIndex        =   1
      Top             =   360
      Width           =   255
   End
   Begin VB.CommandButton Command1 
      Caption         =   "1"
      Height          =   255
      Left            =   0
      TabIndex        =   0
      Top             =   360
      Width           =   255
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim a As Double, b As Double, z As String

Private Sub Command1_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "1"
Else
Text1.Text = Text1.Text & "1"
End If
End Sub

Private Sub Command11_Click()
a = 0
b = 0
z = ""
Form1.Height = 1275
Text2.Visible = False
Text2.Text = "0"
Text1.Text = "0"
End Sub

Private Sub Command12_Click()
If Text1.Text = "0" Or Text1.Text = "1" Or Text1.Text = "2" Or Text1.Text = "3" Or Text1.Text = "4" Or Text1.Text = "5" Or Text1.Text = "6" Or Text1.Text = "7" Or Text1.Text = "8" Or Text1.Text = "9" Or Text1.Text = z Then
Text1.Text = "0"
Exit Sub
End If
Text1.Text = Left(Text1.Text, Len(Text1.Text) - 1)
End Sub

Private Sub Command13_Click()
a = Val(Text2.Text)
'Clipboard.SetText = a
MsgBox "Ваш ответ скопирован в буфер обмена!", vbExclamation, "Сообщение"
End Sub

Private Sub Command14_Click()
If Left(Text1.Text, 1) = "-" Then
Text1.Text = Right(Text1.Text, Len(Text1.Text) - 1)
Else
Text1.Text = "-" & Text1.Text
End If
End Sub

Private Sub Command15_Click()
If Text1.Text = "0" Then
Text1.Text = "0."
Else
Text1.Text = Text1.Text & "."
End If
End Sub

Private Sub Command16_Click()
a = Val(Text1.Text)
z = "/"
Text1.Text = z
End Sub

Private Sub Command17_Click()
a = Val(Text1.Text)
z = "*"
Text1.Text = z
End Sub

Private Sub Command18_Click()
a = Val(Text1.Text)
z = "-"
Text1.Text = z
End Sub

Private Sub Command19_Click()
a = Val(Text1.Text)
z = "+"
Text1.Text = z
End Sub

Private Sub Command2_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "2"
Else
Text1.Text = Text1.Text & "2"
End If
End Sub

Private Sub Command20_Click()
b = Val(Text1.Text)
Form1.Height = 1545
Text2.Visible = True
Text1.Text = a & z & b & "="
If z = "+" Then Text2.Text = Str(a + b)
If z = "-" Then Text2.Text = Str(a - b)
If z = "*" Then Text2.Text = Str(a * b)
If z = "/" Then
If b = 0 Then
MsgBox "На ноль делить нельзя!", vbCritical, "Ошибка в вычислении"
Exit Sub
End If
Text2.Text = Str(a / b)
End If
End Sub

Private Sub Command3_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "3"
Else
Text1.Text = Text1.Text & "3"
End If
End Sub

Private Sub Command4_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "4"
Else
Text1.Text = Text1.Text & "4"
End If
End Sub

Private Sub Command5_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "5"
Else
Text1.Text = Text1.Text & "5"
End If
End Sub

Private Sub Command6_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "6"
Else
Text1.Text = Text1.Text & "6"
End If
End Sub

Private Sub Command7_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "7"
Else
Text1.Text = Text1.Text & "7"
End If
End Sub

Private Sub Command8_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "8"
Else
Text1.Text = Text1.Text & "8"
End If
End Sub

Private Sub Command9_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "9"
Else
Text1.Text = Text1.Text & "9"
End If
End Sub

Private Sub Command10_Click()
If Text1.Text = "0" Or Text1.Text = z Then
Text1.Text = "0"
Else
Text1.Text = Text1.Text & "0"
End If
End Sub

Private Sub Form_Load()
a = 0
b = 0
z = ""
Form1.Height = 1275
Text2.Visible = False
Text2.Text = "0"
Text1.Text = "0"
End Sub

Private Sub Text1_DblClick()
a = 0
b = 0
z = ""
Form1.Height = 1275
Text2.Visible = False
Text2.Text = "0"
Text1.Text = "0"
End Sub