Dim opera As Double
Dim res As Double
Dim dem As Double
Dim fac As Double
Dim raiz As Double
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
TextBox1.Text = TextBox1.Text + Str(1)
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
TextBox1.Text = TextBox1.Text + Str(3)
End Sub
Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
TextBox1.Text = TextBox1.Text + Str(7)
End Sub
Private Sub Button13_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button13.Click
n1 = Val(TextBox1.Text)
opera = 1
TextBox1.Text = " "
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
TextBox1.Text = TextBox1.Text + Str(2)
End Sub
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
TextBox1.Text = TextBox1.Text + Str(4)
End Sub
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
TextBox1.Text = TextBox1.Text + Str(5)
End Sub
Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
TextBox1.Text = TextBox1.Text + Str(6)
End Sub
Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button8.Click
TextBox1.Text = TextBox1.Text + Str(8)
End Sub
Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
TextBox1.Text = TextBox1.Text + Str(9)
End Sub
Private Sub Button10_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button10.Click
TextBox1.Text = TextBox1.Text + Str(0)
End Sub
Private Sub Button11_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button11.Click
TextBox1.Text = TextBox1.Text + Str(0) + Str(0)
End Sub
Private Sub Button12_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button12.Click
n2 = Val(TextBox1.Text)
If (opera = 1) Then
res = n1 + n2
TextBox1.Text = res
End If
If (opera = 2) Then
res = n1 - n2
TextBox1.Text = res
End If
If (opera = 3) Then
res = n1 * n2
TextBox1.Text = res
End If
If (opera = 4) Then
res = n1 / n2
TextBox1.Text = res
End If
If (opera = 5) Then
res = n1 ^ 2
TextBox1.Text = res
End If
If (opera = 6) Then
res = n1 ^ 3
TextBox1.Text = res
End If
End Sub
Private Sub Button14_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button14.Click
n1 = Val(TextBox1.Text)
opera = 2
TextBox1.Text = " "
End Sub
Private Sub Button16_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button16.Click
n1 = Val(TextBox1.Text)
opera = 3
TextBox1.Text = " "
End Sub
Private Sub Button15_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button15.Click
n1 = Val(TextBox1.Text)
opera = 4
TextBox1.Text = " "
End Sub
Private Sub Button19_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button19.Click
Dim seno As Double
Dim dem As Double
res = 0
n1 = Val(TextBox1.Text)
dem = 180 / n1
seno = Math.Sin(Math.PI / dem)
TextBox1.Text = seno
End Sub
Private Sub Button23_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button23.Click
n1 = Val(TextBox1.Text)
TextBox1.Text = 1 / n1
End Sub
Private Sub Button18_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button18.Click
Dim coseno As Double
Dim dem As Double
res = 0
n1 = Val(TextBox1.Text)
dem = 180 / n1
coseno = Math.Cos(Math.PI / dem)
TextBox1.Text = coseno
End Sub
Private Sub Button20_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button20.Click
Dim tangente As Double
Dim dem As Double
res = 0
n1 = Val(TextBox1.Text)
dem = 180 / n1
tangente = Math.Tan(Math.PI / dem)
TextBox1.Text = tangente
End Sub
Private Sub Button21_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button21.Click
Dim pi As Double
res = 0
n1 = Val(TextBox1.Text)
pi = Math.PI
TextBox1.Text = pi
End Sub
Private Sub Button22_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button22.Click
Dim fac As Double
fac = 1
n1 = Val(TextBox1.Text)
While (n1 <> 0)
fac = fac * n1
n1 = n1 - 1
TextBox1.Text = fac
End While
End Sub
Private Sub Button24_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button24.Click
End Sub
Private Sub Button25_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button25.Click
TextBox1.Text = (" ")
End Sub
Private Sub Button26_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button26.Click
n1 = Val(TextBox1.Text)
opera = 5
TextBox1.Text = " "
End Sub
Private Sub Button27_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button27.Click
n1 = Val(TextBox1.Text)
opera = 6
TextBox1.Text = " "
End Sub
Private Sub Button28_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button28.Click
n1 = Val(TextBox1.Text)
TextBox1.Text = 0 - n1
End Sub
Private Sub Button29_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button29.Click
Dim raiz As Double
res = 0
n1 = Val(TextBox1.Text)
raiz = Math.Sqrt(n1)
TextBox1.Text = raiz
End Sub
Private Sub Button17_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button17.Click
End Sub
End Class
