KALKULATOR

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Nama : SRIWAHYUNI
NIM : 19010020

Public Class Form1
    Dim Angka, Hasil As Double
    Const phi As Double = 22 / 7
    Dim Rumus As String
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "1"
        Else
            TextBox1.Text = TextBox1.Text & "1"
        End If
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "2"
        Else
            TextBox1.Text = TextBox1.Text & "2"
        End If
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "3"
        Else
            TextBox1.Text = TextBox1.Text & "3"
        End If
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "4"
        Else
            TextBox1.Text = TextBox1.Text & "4"
        End If
    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "5"
        Else
            TextBox1.Text = TextBox1.Text & "5"
        End If
    End Sub

    Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "6"
        Else
            TextBox1.Text = TextBox1.Text & "6"
        End If
    End Sub

    Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "7"
        Else
            TextBox1.Text = TextBox1.Text & "7"
        End If
    End Sub

    Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button8.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "8"
        Else
            TextBox1.Text = TextBox1.Text & "8"
        End If
    End Sub

    Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "9"
        Else
            TextBox1.Text = TextBox1.Text & "9"
        End If
    End Sub

    Private Sub Button10_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button10.Click
        If TextBox1.Text = "" Then
            TextBox1.Text = "0"
        Else
            TextBox1.Text = TextBox1.Text & "0"
        End If
    End Sub

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

    Private Sub Button12_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button12.Click
        If Angka = Nothing Then
            Angka = Val(TextBox1.Text)
        Else
            Angka = Angka + Val(TextBox1.Text)
        End If
        Rumus = "+"
        TextBox1.Text = Nothing
    End Sub

    Private Sub Button13_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button13.Click
        If Angka = Nothing Then
            Angka = Val(TextBox1.Text)
        Else
            Angka = Angka - Val(TextBox1.Text)
        End If
        Rumus = "-"
        TextBox1.Text = Nothing
    End Sub

    Private Sub Button14_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button14.Click
        If Angka = Nothing Then
            Angka = Val(TextBox1.Text)
        Else
            Angka = Angka * Val(TextBox1.Text)
        End If
        Rumus = "*"
        TextBox1.Text = Nothing
    End Sub

    Private Sub Button15_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button15.Click
        If Angka = Nothing Then
            Angka = Val(TextBox1.Text)
        Else
            Angka = Angka / Val(TextBox1.Text)
        End If
        Rumus = "/"
        TextBox1.Text = Nothing
    End Sub

    Private Sub Button16_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button16.Click
        Angka = Nothing
        Hasil = Nothing
        Rumus = Nothing
    End Sub

    Private Sub Button17_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button17.Click
        TextBox1.Text = Math.Sin(TextBox1.Text * (phi / 180))
    End Sub

    Private Sub Button18_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button18.Click
        TextBox1.Text = Math.Cos(TextBox1.Text * (phi / 180))
    End Sub

    Private Sub Button19_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button19.Click
        TextBox1.Text = Math.Tan(TextBox1.Text * (phi / 180))
    End Sub

    Private Sub Button20_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button20.Click
        If Angka = Nothing Then
            Angka = Val(TextBox1.Text)
        Else
            Angka = Angka ^ Val(TextBox1.Text)
        End If
        Rumus = "^"
        TextBox1.Text = Nothing
    End Sub

    Private Sub Button21_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button21.Click
        If Rumus = "+" Then
            TextBox1.Text = Angka + Val(TextBox1.Text)
        ElseIf Rumus = "-" Then
            TextBox1.Text = Angka - Val(TextBox1.Text)
        ElseIf Rumus = "*" Then
            TextBox1.Text = Angka * Val(TextBox1.Text)
        ElseIf Rumus = "/" Then
            TextBox1.Text = Angka / Val(TextBox1.Text)
        ElseIf Rumus = "^" Then
            TextBox1.Text = Angka ^ Val(TextBox1.Text)
        End If
    End Sub

    Private Sub Button22_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button22.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
        Button20.Enabled = True
        Button21.Enabled = True
        Button22.Enabled = True
        Button23.Enabled = True
        Button24.Enabled = True
    End Sub

    Private Sub Button23_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button23.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
        Button20.Enabled = False
        Button21.Enabled = False
        Button22.Enabled = False
        Button23.Enabled = False
        Button24.Enabled = False
    End Sub

    Private Sub Button24_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button24.Click
        TextBox1.Text = Math.Sqrt(TextBox1.Text)

    End Sub

    Private Sub Button25_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button25.Click
        If MsgBox("Keluar Dulu Ya") Then
            Close()
        End If
    End Sub

    Private Sub Button26_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button26.Click
        TextBox1.Text = -1 * (TextBox1.Text)
    End Sub

    Private Sub Button27_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button27.Click
        TextBox1.Text = 1 / (TextBox1.Text)
    End Sub

    Private Sub Button28_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button28.Click
        TextBox1.Text = (TextBox1.Text) / 100
    End Sub
End Class

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