private void autoCalculate() { //// This function performs automatic calculations when a number is changed in input ////// if (Operation.Text == "+") { Add.PerformClick(); } else if (Operation.Text == "*") { Multiply.PerformClick(); } else if (Operation.Text == "-") { Minus.PerformClick(); } else if (Operation.Text == "/") { Divide.PerformClick(); } else { Modulus.PerformClick(); } }