public static void DoMethod(int a, int b)
{
int caseSwitch;
do
{
Console.WriteLine();
Console.WriteLine("Select a mathematical operation:");
Console.WriteLine("1 -> (+); 2 -> (-); 3 -> (*); 4 -> (/)");
Console.WriteLine("Write (0) to close programm");
caseSwitch = Convert.ToInt32(Console.ReadLine());
switch (caseSwitch)
{
case 1:
Console.WriteLine("a + b = " + MathMethods.Summ(a, b));
break;
case 2:
Console.WriteLine("a - b = " + MathMethods.Diff(a, b));
break;
case 3:
Console.WriteLine("a * b = " + MathMethods.Multiplication(a, b));
break;
case 4:
Console.WriteLine("a / b = " + MathMethods.Division(a, b));
break;
case 0:
break;
default:
Console.WriteLine("Operation does't exist");
break;
}
} while (caseSwitch != 0);
}