private void btnExtraction_Click(object sender, EventArgs e)
{
FourOperations operations = new FourOperations();
math_Op op = operations.Extraction;
sonuc = op(vs[0], vs[1]);
txtSonuc.Text = "";
txtSonuc.Text = sonuc.ToString();
}
private void btnDivide_Click(object sender, EventArgs e)
{
//delegate used
FourOperations operations = new FourOperations();
math_Op op = operations.Divide;
sonuc = op(vs[0], vs[1]);
txtSonuc.Text = "";
txtSonuc.Text = sonuc.ToString();
}
