Download program jadinya Disini


atau copy coddingnya di bawah ini..............

silahkan dicoba............................


Public Class Form1

    Const phi As Double = 22 / 7

    Dim input_angka, Hasil As Double

    Dim Rumus As String

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        TextBox1.Enabled = False
        Button1.Enabled = False
        Button2.Enabled = False
        Button3.Enabled = False
        Button4.Enabled = False
        Button5.Enabled = False
        Button6.Enabled = False
        Button7.Enabled = False
        Button8.Enabled = False
        Button9.Enabled = False
        Button10.Enabled = False
        Button11.Enabled = False
        Button12.Enabled = False
        Button13.Enabled = False
        Button14.Enabled = False
        Button15.Enabled = False
        Button16.Enabled = False
        Button17.Enabled = False
        Button18.Enabled = False
        Button19.Enabled = False

    End Sub

    Private Sub Button10_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button10.Click
        input_angka = Val(TextBox1.Text)

        Rumus = "/"

        TextBox1.Text = Nothing
    End Sub

    Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button8.Click
        TextBox1.Text = TextBox1.Text & "6"
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        input_angka = Val(TextBox1.Text)

        Rumus = "+"

        TextBox1.Text = Nothing
    End Sub

    Private Sub Button24_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)

    End Sub

    Private Sub Button16_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button16.Click
        TextBox1.Text = TextBox1.Text & "0"

    End Sub

    Private Sub Button11_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button11.Click
        TextBox1.Text = TextBox1.Text & "1"
    End Sub

    Private Sub Button12_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button12.Click
        TextBox1.Text = TextBox1.Text & "2"
    End Sub

    Private Sub Button13_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button13.Click
        TextBox1.Text = TextBox1.Text & "3"
    End Sub

    Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
        TextBox1.Text = TextBox1.Text & "4"
    End Sub

    Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
        TextBox1.Text = TextBox1.Text & "5"
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        TextBox1.Text = TextBox1.Text & "7"
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        TextBox1.Text = TextBox1.Text & "8"
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        TextBox1.Text = TextBox1.Text & "9"
    End Sub

    Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
        input_angka = Val(TextBox1.Text)

        Rumus = "-"

        TextBox1.Text = Nothing
    End Sub

    Private Sub Button14_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button14.Click
        input_angka = Val(TextBox1.Text)

        Rumus = "*"

        TextBox1.Text = Nothing
    End Sub

    Private Sub Button15_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button15.Click
        input_angka = Val(TextBox1.Text)

        Rumus = "^"

        TextBox1.Text = Nothing
    End Sub

    Private Sub Button18_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button18.Click
        TextBox1.Text = TextBox1.Text & "."
    End Sub

    Private Sub Button22_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
        TextBox1.Text = Math.Cos(TextBox1.Text * (phi / 180))
    End Sub

    Private Sub Button23_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
        TextBox1.Text = Math.Sin(TextBox1.Text * (phi / 180))
    End Sub

    Private Sub Button17_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button17.Click
        If Rumus = "+" Then
            TextBox1.Text = input_angka + Val(TextBox1.Text)
        ElseIf Rumus = "-" Then
            TextBox1.Text = input_angka - Val(TextBox1.Text)
        ElseIf Rumus = "*" Then
            TextBox1.Text = input_angka * Val(TextBox1.Text)
        ElseIf Rumus = "/" Then
            TextBox1.Text = input_angka / Val(TextBox1.Text)
        ElseIf Rumus = "^" Then
            TextBox1.Text = input_angka ^ Val(TextBox1.Text)
        End If
    End Sub

    Private Sub Button21_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button21.Click
        TextBox1.Enabled = True

        Button1.Enabled = True

        Button2.Enabled = True

        Button3.Enabled = True

        Button4.Enabled = True

        Button5.Enabled = True

        Button6.Enabled = True

        Button7.Enabled = True

        Button8.Enabled = True

        Button9.Enabled = True

        Button10.Enabled = True

        Button11.Enabled = True

        Button12.Enabled = True

        Button13.Enabled = True

        Button14.Enabled = True

        Button15.Enabled = True

        Button16.Enabled = True

        Button17.Enabled = True

        Button18.Enabled = True

        Button19.Enabled = True


    End Sub

    Private Sub Button20_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button19.Click
        TextBox1.Enabled = False

        Button1.Enabled = False

        Button2.Enabled = False

        Button3.Enabled = False

        Button4.Enabled = False

        Button5.Enabled = False

        Button6.Enabled = False

        Button7.Enabled = False

        Button8.Enabled = False

        Button9.Enabled = False

        Button10.Enabled = False

        Button11.Enabled = False

        Button12.Enabled = False

        Button13.Enabled = False

        Button14.Enabled = False

        Button15.Enabled = False

        Button16.Enabled = False

        Button17.Enabled = False

        Button18.Enabled = False

        Button19.Enabled = False


    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        TextBox1.Text = Nothing

        input_angka = Nothing

        Hasil = Nothing

        Rumus = Nothing
    End Sub

    Private Sub Button25_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button25.Click
       If TextBox1.Text.Length <> 0 Then
            TextBox1.Text = TextBox1.Text.Remove(TextBox1.Text.Length - 1)
        End If

    End Sub

    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged

    End Sub
End Class