private void substraction_Click(object sender, EventArgs e) { CalculatorInput.AppendText("-"); }
private void sum_Click(object sender, EventArgs e) { CalculatorInput.AppendText("+"); }
private void divition_Click(object sender, EventArgs e) { CalculatorInput.AppendText("/"); }
private void multiplication_Click(object sender, EventArgs e) { CalculatorInput.AppendText("x"); }
private void Decimal_Click(object sender, EventArgs e) { CalculatorInput.AppendText(","); }
private void button0_Click(object sender, EventArgs e) { CalculatorInput.AppendText("0"); }