3.
Public Class Form1
Dim prvibroj As Single
Dim drugibroj As Single
Dim rezultat As Single
Private Sub RadioButton1_CheckedChanged(sender As Object, e As EventArgs) Handles
RadioButton1.CheckedChanged
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
prvibroj = TextBox1.Text
drugibroj = TextBox2.Text
If RadioButton1.Checked = True Then
rezultat = prvibroj + drugibroj
MessageBox.Show("rezultat je " + rezultat.ToString)
ElseIf RadioButton2.Checked = True Then
rezultat = prvibroj * drugibroj
MessageBox.Show("rezultat je " + rezultat.ToString)
ElseIf RadioButton3.Checked = True Then
rezultat = prvibroj / drugibroj
MessageBox.Show("rezultat je " + rezultat.ToString)
Else RadioButton4.Checked = True
rezultat = prvibroj - drugibroj
MessageBox.Show("rezultat je " + rezultat.ToString)
End If
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
TextBox1.Text = " "
TextBox2.Text = " "
End Sub
Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
Me.Close()
End Sub
4. Public Class Form1
Dim x As Double
Dim y As Double
Dim n As Double
Private Sub Button4_Click(sender As Object, e As EventArgs) Handles Button4.Click
Me.Close()
End Sub
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
x = TextBox1.Text
n = TextBox2.Text
y = x ^ (1 / n)
TextBox3.Text = y
End Sub
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
x = TextBox1.Text
n = TextBox2.Text
y = x ^ n
TextBox3.Text
End Sub
Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
TextBox1.Text = " "
TextBox2.Text = " "
TextBox3.Text = " "
End Sub
End Class