LENGUAJE DE PROGRAMACION
ESTUDIANTE: QUISPE ALVAREZ DENNIS ANGEL
NUMEROS NATURALES A ROMANOS
Public Class Form1Public Function Num2Text(ByVal value As
Double) As String
value = Int(value)
Select Case value
Case 1 : Num2Text = "I"
Case 2 : Num2Text = "II"
Case 3 : Num2Text = "III"
Case 4 : Num2Text = "IV"
Case 5 : Num2Text = "V"
Case 6 : Num2Text = "VI"
Case 7 : Num2Text = "VII"
Case 8 : Num2Text = "VIII"
Case 9 : Num2Text = "lX"
Case 10 : Num2Text = "X"
Case 11 : Num2Text = "XI"
Case 12 : Num2Text = "XII"
Case 13 : Num2Text = "XIII"
Case 14 : Num2Text = "XIV"
Case 15 : Num2Text = "XV"
Case Is < 20 : Num2Text = "X" & Num2Text(value - 10)
Case 20 : Num2Text = "XX"
Case Is < 30 : Num2Text = "XX" & Num2Text(value - 20)
Case 30 : Num2Text = "XXX"
Case 40 : Num2Text = "XI"
Case 50 : Num2Text = "L"
Case 60 : Num2Text = "LX"
Case 70 : Num2Text = "LXX"
Case 80 : Num2Text = "LXXX"
Case 90 : Num2Text = "XC"
Case Is < 100 : Num2Text = Num2Text(Int(value \ 10) * 10)
& "" & Num2Text(value Mod 10)
Case 100 : Num2Text = "C"
Case Is < 200 : Num2Text = "C" & Num2Text(value -
100)
Case 200, 300, 400, 600, 800 : Num2Text = Num2Text(Int(value \
100)) & "C"
Case 500 : Num2Text = "D"
Case 700 : Num2Text = "DCC"
Case 900 : Num2Text = "CM"
Case Is < 1000 : Num2Text = Num2Text(Int(value \ 100) * 100)
& " " & Num2Text(value Mod 100)
Case 1000 : Num2Text = "M"
Case Is < 2000 : Num2Text = "M" & Num2Text(value Mod
1000)
Case Is < 1000000 : Num2Text = Num2Text(Int(value \ 1000))
& " M"
If value Mod 1000 Then Num2Text = Num2Text & " " &
Num2Text(value Mod 1000)
End Select
If value = 1 Then
Txtmonl.Text = Num2Text
Else
txtmonl.Text = Num2Text
End If
End Function
CALCULADORA SIMPLEPrivate Sub Igual_Click()Select Case signo 'la
variable signo te dice si sumas(0) si restas(1)......Case
0Text1.Text = suma(anterior, Val(Text1.Text)) 'llamada a la funcin
sumaCase 1Text1.Text = resta(anterior, Val(Text1.Text))
Case 2Text1.Text = multiplicar(anterior, Val(Text1.Text))Case
3Text1.Text = Dividir(anterior, Val(Text1.Text))End SelectEnd
Sub
Private Sub Nueva_Click()Text1.Text = ""End Sub
Private Sub Operador_Click(Index As Integer)signo = Index 'si
index es 0 sumas, si es 1 restas......anterior =
Val(Text1.Text)Text1.Text = ""
End Sub
Private Sub Numero_Click(Index As Integer)Text1.Text =
Text1.Text + Numero(Index).CaptionEnd Sub
Private Function suma(Numero As Integer, Operador As Integer) As
Integersuma = Numero + OperadorEnd Function
Private Function resta(Numero As Integer, Operador As Integer)
As Integerresta = Numero - OperadorEnd Function
Private Function multiplicar(Numero As Integer, Operador As
Integer) As Integermultiplicar = Numero * OperadorEnd Function
Private Function Dividir(Numero As Integer, Operador As Integer)
As IntegerDividir = Numero / OperadorEnd Function
Private Sub Salir_Click()Unload MeEnd Sub
