📄 计算器1.frm
字号:
VERSION 5.00
Begin VB.Form Form1
BorderStyle = 1 'Fixed Single
Caption = "计算器"
ClientHeight = 3675
ClientLeft = 4965
ClientTop = 3810
ClientWidth = 4695
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 3675
ScaleWidth = 4695
Begin VB.Timer Timer1
Interval = 1000
Left = 2400
Top = 3720
End
Begin VB.TextBox Text4
Alignment = 2 'Center
BeginProperty Font
Name = "Times New Roman"
Size = 9.75
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 3240
TabIndex = 18
TabStop = 0 'False
Top = 360
Width = 1455
End
Begin VB.TextBox Text3
BeginProperty Font
Name = "Times New Roman"
Size = 18
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 120
TabIndex = 5
Top = 360
Width = 3735
End
Begin VB.Frame Frame1
Caption = "请输入数字"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 2655
Left = 120
TabIndex = 0
Top = 960
Width = 4575
Begin VB.CommandButton Command2
Caption = "√ 3√"
Height = 495
Left = 2880
TabIndex = 17
Top = 2040
Width = 735
End
Begin VB.CommandButton Command15
Caption = "ctg ctg^-1"
Height = 495
Left = 2880
TabIndex = 14
Top = 1560
Width = 735
End
Begin VB.CommandButton Command14
Caption = "tan tan^-1"
Height = 495
Left = 2160
TabIndex = 13
Top = 1560
Width = 735
End
Begin VB.CommandButton Command13
Caption = "cos cos^-1"
Height = 495
Left = 2880
TabIndex = 10
Top = 1080
Width = 735
End
Begin VB.CommandButton Command12
Caption = "sin sin^-1"
Height = 495
Left = 2160
TabIndex = 9
Top = 1080
Width = 735
End
Begin VB.CommandButton Command10
Caption = "2ndF"
Height = 495
Left = 2160
TabIndex = 6
Top = 600
Width = 735
End
Begin VB.CommandButton Command9
Caption = "cls"
Height = 495
Left = 3600
TabIndex = 15
Top = 1560
Width = 735
End
Begin VB.CommandButton Command11
Caption = "+/-"
Height = 495
Left = 2160
TabIndex = 16
Top = 2040
Width = 735
End
Begin VB.CommandButton Command1
Caption = "="
Default = -1 'True
Height = 495
Left = 3600
TabIndex = 4
Top = 2040
Width = 735
End
Begin VB.CommandButton Command5
Caption = "ln e^x"
Height = 495
Left = 2880
TabIndex = 7
Top = 600
Width = 735
End
Begin VB.CommandButton Command3
Caption = "lg 10^x"
Height = 495
Left = 3600
TabIndex = 8
Top = 600
Width = 735
End
Begin VB.CommandButton Command4
Caption = "x^2 1/x"
Height = 495
Left = 3600
TabIndex = 12
Top = 1080
Width = 735
End
Begin VB.ComboBox Combo1
Height = 300
Left = 240
TabIndex = 3
Text = "Combo1"
Top = 1440
Width = 1095
End
Begin VB.TextBox Text2
BeginProperty Font
Name = "Times New Roman"
Size = 18
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 120
TabIndex = 2
Top = 1920
Width = 1815
End
Begin VB.TextBox Text1
BeginProperty Font
Name = "Times New Roman"
Size = 18
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 615
Left = 120
TabIndex = 1
Top = 600
Width = 1815
End
End
Begin VB.Label Label1
Caption = "计算结果为："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 120
TabIndex = 11
Top = 120
Width = 3735
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private g As Integer, pi As Single, e As Single, d As Single
Private Sub Combo1_KeyPress(KeyAscii As Integer)
'If KeyAscii = 13 Then Command1.SetFocus
End Sub
Private Sub Command1_Click()
Dim a, b, c As Single
a = Val(Text1.Text)
b = Val(Text2.Text)
Select Case Combo1.ListIndex
Case 0
c = a + b
Text3.Text = Str(c)
Case 1
c = a - b
Text3.Text = Str(c)
Case 2
c = a * b
Text3.Text = Str(c)
Case 3
c = a / b
Text3.Text = Str(c)
End Select
If Val(Text3.Text) > 100000000000000# Then Text3.Text = "0"
If Abs(Val(Text3.Text)) < 0.00000001 Then
Text3.Text = "0"
End If
End Sub
Private Sub Command10_Click()
Select Case g
Case 0
g = 1
Case 1
g = 0
End Select
End Sub
Private Sub Command11_Click()
Combo1.Enabled = False
c = Val(Text3.Text)
Text3.Text = Str(-c)
End Sub
Private Sub Command12_Click()
Combo1.Enabled = False
Dim d As Single, e As Single
c = Val(Text3.Text)
X = 2 * pi * c / 360
d = Sin(X)
If g = 0 Then
Text3.Text = Str(d)
Else
If c < -1 Then
Text3.Text = MsgBox("反正弦参数不能小于-1", 0, "提示")
Text3.Text = "0"
Text3.SetFocus
ElseIf c > 1 Then
Text3.Text = MsgBox("反正弦参数不能大于1", 0, "提示")
Text3.Text = " 0"
Text3.SetFocus
ElseIf c = 1 Then
Text3.Text = "90"
ElseIf c = -1 Then
Text3.Text = "270"
Else
Text3.Text = Str(Atn(c / Sqr(-c * c + 1)) * 360 / (2 * pi))
End If
End If
If Abs(Val(Text3.Text)) < 0.00000001 Then
Text3.Text = "0"
End If
End Sub
Private Sub Command13_Click()
Combo1.Enabled = False
Dim d, e As Single
c = Val(Text3.Text)
d = Cos(X)
X = 2 * pi * c / 360
If g = 0 Then
Text3.Text = Str(d)
Else
If c < -1 Then
Text3.Text = MsgBox("反余弦参数不能小于-1", 0, "提示")
Text3.Text = "0 "
Text3.SetFocus
ElseIf c > 1 Then
Text3.Text = MsgBox("反余弦参数不能大于1", 0, "提示")
Text3.Text = " 0"
Text3.SetFocus
ElseIf c = 1 Then
Text3.Text = "0"
ElseIf c = -1 Then
Text3.Text = "180"
Else
Text3.Text = Str((Atn(-c / Sqr(-c * c + 1)) + 2 * Atn(1)) * 360 / (2 * pi))
End If
End If
If Abs(Val(Text3.Text)) < 0.00000001 Then
Text3.Text = "0"
End If
End Sub
Private Sub Command14_Click()
Combo1.Enabled = False
Dim e As Single, d As Single
c = Val(Text3.Text)
X = 2 * pi * c / 360
d = Tan(X)
If g = 0 Then
If c = 90 Then
Text3.Text = MsgBox("正切角度不能等于90", 0, "提示")
Text3.Text = " "
Text3.SetFocus
ElseIf c = 270 Then
Text3.Text = MsgBox("正切角度不能等于270", 0, "提示")
Text3.Text = "0 "
Text3.SetFocus
Else
'Text3.Text = Str(Tan(X))
Text3.Text = Str(d)
End If
Else
Text3.Text = Str(Atn(c) * 360 / (2 * pi))
End If
If Abs(Val(Text3.Text)) < 0.000001 Then
Text3.Text = "0"
End If
End Sub
Private Sub Command15_Click()
Combo1.Enabled = False
Dim d, e As Single
c = Val(Text3.Text)
X = 2 * pi * c / 360
d = 1 / Tan(X)
If g = 0 Then
If c = 180 Then
Text3.Text = MsgBox("余切角度不能等于180", 0, "提示")
Text3.Text = "0 "
Text3.SetFocus
ElseIf c = 360 Then
Text3.Text = MsgBox("余切角度不能等于360", 0, "提示")
Text3.Text = "0 "
Text3.SetFocus
Else
Text3.Text = Str(d)
End If
Else
Text3.Text = Str((Atn(c) + 2 * Atn(1)) * 360 / 2 * pi)
End If
If Abs(Val(Text3.Text)) < 0.00000001 Then
Text3.Text = "0"
End If
End Sub
Private Sub Command2_Click()
Combo1.Enabled = False
Dim d, e As Single
c = Val(Text3.Text)
d = Sqr(Abs(c))
e = Sgn(c) * c ^ (1 / 3)
If g = 0 Then
If c < 0 Then
Text3.Text = MsgBox("开根数不能小于零", 0, "提示")
Text3.Text = "0 "
Text3.SetFocus
Else
Text3.Text = Str(d)
End If
Else
Text3.Text = Str(e)
End If
If Abs(Val(Text3.Text)) < 0.00000001 Then
Text3.Text = "0"
End If
If Val(Text3.Text) > 100000000000000# Then Text3.Text = "0"
End Sub
Private Sub Command3_Click()
Combo1.Enabled = False
Dim d, e As Single
If Val(Text3.Text) > 100000000000000# Then Text3.Text = "0"
c = Val(Text3.Text)
d = Log(c) / Log(10)
If g = 0 Then
If c <= 0 Then
Text3.Text = MsgBox("对数参数不能小于或等于零", 0, "提示")
Text3.Text = " 0"
Text3.SetFocus
Else
Text3.Text = Str(d)
End If
Else
If Val(Text3.Text) > 15# Then
Text3.Text = "0"
Else
e = Exp(c * Log(10))
Text3.Text = Str(e)
End If
End If
End Sub
Private Sub Command4_Click()
Combo1.Enabled = False
Dim d, e As Single
c = Val(Text3.Text)
d = c ^ 2
e = 1 / c
If g = 0 Then
Text3.Text = Str(d)
Else
If c = 0 Then
Text3.Text = MsgBox("除数不能小于零", 0, "提示")
Text3.Text = "0 "
Text3.SetFocus
Else
Text3.Text = Str(e)
End If
End If
If Abs(Val(Text3.Text)) < 0.00000001 Then
Text3.Text = "0"
End If
If Val(Text3.Text) > 100000000000000# Then Text3.Text = "0"
End Sub
Private Sub Command5_Click()
Combo1.Enabled = False
'Dim d, e As Single
c = Val(Text3.Text)
d = Log(c)
If g = 0 Then
If c <= 0 Then
Text3.Text = MsgBox("对数参数不能小于或等于零", 0, "提示")
Text3.Text = "0 "
Text3.SetFocus
Else
Text3.Text = Str(d)
End If
Else
If Val(Text3.Text) > 20# Then
Text3.Text = "0"
Else
If Exp(c) > 1000000000000# Then
Text3.Text = Str(Exp(c))
End If
End If
If Abs(Val(Text3.Text)) < 0.00000001 Then
Text3.Text = "0"
End If
End Sub
Private Sub Command9_Click()
Text1.Text = ""
Text2.Text = ""
Text3.Text = "0"
End Sub
Private Sub Form_Load()
Combo1.AddItem "+"
Combo1.AddItem "-"
Combo1.AddItem "*"
Combo1.AddItem "/"
pi = 3.141592654
Text3.Text = "0"
'If Text1.Enabled = True Then
'Command2.TabStop
'Command3.TabStop
'End If
End Sub
Private Sub Text1_GotFocus()
Text1.SelStart = 0
Text1.SelLength = Len(Text1.Text)
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
'If KeyAscii = 13 Then Command1.SetFocus
End Sub
Private Sub Text2_GotFocus()
Text2.SelStart = 0
Text2.SelLength = Len(Text2.Text)
End Sub
Private Sub Text2_KeyPress(KeyAscii As Integer)
'If KeyAscii = 13 Then Command1.SetFocus
End Sub
Private Sub Text3_GotFocus()
Text3.SelStart = 0
Text3.SelLength = Len(Text3.Text)
End Sub
Private Sub Timer1_Timer()
Text4.Text = "2ndf=" & Str(g) & " " & Time
End Sub
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