private void radioButton5_CheckedChanged(object sender, EventArgs e) { operacion = Operaciones.Exponenciar; label1.Text = "^"; }
private void radioButton4_CheckedChanged(object sender, EventArgs e) { operacion = Operaciones.Multiplicar; label1.Text = "×"; }
private void radioButton2_CheckedChanged(object sender, EventArgs e) { operacion = Operaciones.Restar; label1.Text = "-"; }
private void radioButton3_CheckedChanged(object sender, EventArgs e) { operacion = Operaciones.Dividir; label1.Text = "÷"; }
private void radioButton1_CheckedChanged(object sender, EventArgs e) { operacion = Operaciones.Sumar; label1.Text = "+"; }