static void Main(string[] args)
{
MyMath math = new MyMath();
double[] res = new double[5];
MyMath.Operation operation = MyMath.Add;
res[0] = math.DoMath(14, 15, operation);
operation = MyMath.Subtract;
res[1] = math.DoMath(14, 15, operation);
operation = MyMath.Multiply;
res[2] = math.DoMath(14, 15, operation);
operation = MyMath.Divide;
res[3] = math.DoMath(14, 15, operation);
operation = MyMath.Divide;
res[4] = math.DoMath(14, 15, operation);
Console.WriteLine(math.MathAdd(2, 3));
IntArray Arr = new IntArray(4, 4);
Arr.OverRange += new IntArray.OverRangeHandler(DisplayMessage);
double sum = Arr.GetSum();
Console.ReadKey();
}