Calculadora

calculadora_basica.bas
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D:\_TRABAJO\CLASES\CURSO_2005-06\INFORMATICA\c18\ejem\p8\
Última modificación: 31/05/2006 0:51:28
'====================================================
'// Programa ............. Calculadora básica
'// Proyecto ............. Prácticas de 1ºBTO
'// Autor ................ Jesús P.M. [zttsoft.com]
'// Fecha ................ 30/04/2005
'// Modificación ......... 28/05/2006
'====================================================
Option Explicit
Dim Men1, Men2 As Double
Dim Oper As String
Dim FinOper As Boolean
Dim PonCero As Boolean
Private Sub Autor_Click()
frmAutor.Show 1
End Sub
Private Sub Borrar_Click()
Pantalla = 0
Oper = ""
Men1 = 0
Men2 = 0
End Sub
Private Sub Div_Click()
Men1 = CDbl(Pantalla)
Oper = "/"
PonCero = True
End Sub
Private Sub Form_Load()
Oper = ""
Men1 = 0
Men2 = 0
End Sub
Private Sub Igual_Click()
On Error GoTo QuitarERROR
Men2 = CDbl(Pantalla)
Select Case Oper
Case "/"
Pantalla = Round(Men1 /
Case "*"
Pantalla = Round(Men1 *
Case "-"
Pantalla = Round(Men1 Case "+"
Pantalla = Round(Men1 +
Case "%"
Pantalla = Round(Men1 *
End Select
Oper = ""
Men1 = 0
Men2 = 0
FinOper = True
Exit Sub
QuitarERROR:
MsgBox "OPERACIÓN NO VÁLIDA",
Borrar.Value = True
End Sub
PSPad editor 4.5.2 (2217) www.pspad.com
Men2, 2)
Men2, 2)
Men2, 2)
Men2, 2)
Men2 / 100, 2)
vbCritical
31/05/2006 0:51:32
JES_0
calculadora_basica.bas
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D:\_TRABAJO\CLASES\CURSO_2005-06\INFORMATICA\c18\ejem\p8\
Última modificación: 31/05/2006 0:51:28
Private Sub Mul_Click()
Men1 = CDbl(Pantalla)
Oper = "*"
PonCero = True
End Sub
Private Sub N_Click(Index As Integer)
Dim sw As Variant
Select Case Index
Case 10
If Pantalla = "0" Then
Pantalla = "-"
Else
sw = "-" & Pantalla
If IsNumeric(sw) Then
Pantalla = "-" & Pantalla
Else
If Mid(sw, 1, 1) = "-" Then
Pantalla = Pantalla * (-1)
End If
End If
End If
Case 11
If Pantalla = "0" Then
Pantalla = "0" & ","
Else
sw = Pantalla + ","
If IsNumeric(sw) Then
Pantalla = Pantalla + ","
End If
End If
Case Else
If FinOper Or PonCero Then
Pantalla = 0
FinOper = False
PonCero = False
End If
If Pantalla = "0" Then
Pantalla = Index
Else
Pantalla = Pantalla & Index
End If
End Select
Beep
End Sub
Private Sub Por_Click()
Men1 = CDbl(Pantalla)
Oper = "%"
PonCero = True
End Sub
Private Sub Pot_Click()
On Error GoTo QuitarERROR
Men1 = CDbl(Pantalla)
Pantalla = Men1 ^ 2
Exit Sub
QuitarERROR:
MsgBox "OPERACIÓN NO VÁLIDA", vbCritical
Borrar.Value = True
PSPad editor 4.5.2 (2217) www.pspad.com
31/05/2006 0:51:32
JES_0
calculadora_basica.bas
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D:\_TRABAJO\CLASES\CURSO_2005-06\INFORMATICA\c18\ejem\p8\
Última modificación: 31/05/2006 0:51:28
End Sub
Private Sub Res_Click()
Men1 = CDbl(Pantalla)
Oper = "-"
PonCero = True
End Sub
Private Sub Salir_Click()
End
End Sub
Private Sub Sum_Click()
Men1 = CDbl(Pantalla)
Oper = "+"
PonCero = True
End Sub
'/// FINAL DE CÓDIGO ///'
PSPad editor 4.5.2 (2217) www.pspad.com
31/05/2006 0:51:32
JES_0