static void Main(string[] args)
{
while (true)
{
Console.WriteLine("Welcome to the calculator");
Console.WriteLine("Choose a calculation (1-6) and separate arguments with comma");
Console.WriteLine("Write 0 to quit");
int hello = Int32.Parse(Console.ReadLine());
Console.WriteLine(hello);
if (hello > -1 && hello < 7)
{
switch (hello)
{
case 1:
Console.WriteLine("Add, give any number of arguments");
Console.WriteLine(Calculator.Add(multiArg(Console.ReadLine())));
break;
case 2:
Console.WriteLine("Subtract, give any number of arguments");
Console.WriteLine(Calculator.Subtract(multiArg(Console.ReadLine())));
break;
case 3:
Console.WriteLine("Multiply, give any number of arguments");
Console.WriteLine(Calculator.Multiply(multiArg(Console.ReadLine())));
break;
case 4:
Console.WriteLine("Sum, give any number of arguments");
Console.WriteLine(Calculator.Sum(multiArg(Console.ReadLine())));
break;
case 5:
Console.WriteLine("Power, give 2 arguments");
Console.WriteLine(Calculator.Power(Int32.Parse(Console.ReadLine()), Int32.Parse(Console.ReadLine())));
break;
case 6:
Console.WriteLine("Factorial, give one argument");
Console.WriteLine(Calculator.Factorial(Int32.Parse(Console.ReadLine())));
break;
case 0:
Environment.Exit(0);
break;
}
}
else
{
Console.WriteLine("wrong input, try again");
}
Console.ReadLine();
}
}
public static void Main()
{
Calculator calc = new Calculator();
int num = -12;
int res = 0;
try
{
calc.Factorial(num);
}
catch (SignedNumberException ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Error: " + ex.Message);
Console.ResetColor();
}
Console.WriteLine("Factorial of {0} is: {1}", num, res);
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("ADDITION");
Console.WriteLine("First factor:");
string stringA = Console.ReadLine();
int a = int.Parse(stringA);
Console.WriteLine("Second factor:");
string stringB = Console.ReadLine();
int b = int.Parse(stringB);
Console.WriteLine("The result is " + Calculator.Add(a, b));
Console.WriteLine(">>>Press Enter<<<");
Console.ReadKey();
Console.WriteLine("");
Console.WriteLine("SUBTRACTION");
Console.WriteLine("First factor:");
string stringC = Console.ReadLine();
int c = int.Parse(stringC);
Console.WriteLine("Second factor:");
string stringD = Console.ReadLine();
int d = int.Parse(stringD);
Console.WriteLine("The result is " + Calculator.Subtract(a, b));
Console.WriteLine(">>>Press Enter<<<");
Console.ReadKey();
Console.WriteLine("");
Console.WriteLine("SUM MORE NUMBERS");
Console.WriteLine("How many numbers would you like to sum?");
string sumnumbers = Console.ReadLine();
int count = 1;
int[] anarray = new int[int.Parse(sumnumbers)];
for (int i = 0; i < anarray.Length; i++)
{
Console.WriteLine("Factor " + count + ":");
count++;
anarray[i] = int.Parse(Console.ReadLine());
}
Console.WriteLine("Result:" + Calculator.Sum(anarray));
Console.WriteLine(">>>Press enter<<<");
Console.ReadKey();
Console.WriteLine("");
Console.WriteLine("MULTIPLY");
Console.WriteLine("How many numbers would you like to multiply?");
string multnumbers = Console.ReadLine();
int count2 = 1;
int[] anarray2 = new int[int.Parse(multnumbers)];
for (int i = 0; i < anarray2.Length; i++)
{
Console.WriteLine("Factor " + count2 + ":");
count2++;
anarray2[i] = int.Parse(Console.ReadLine());
}
Console.WriteLine("Result:" + Calculator.Multiply(anarray2));
Console.WriteLine(">>>Press enter<<<");
Console.ReadKey();
Console.WriteLine("");
Console.WriteLine("POWER");
Console.WriteLine("Number:");
string stringnumber = Console.ReadLine();
int yournumber = int.Parse(stringnumber);
Console.WriteLine("Exponent:");
string exponent = Console.ReadLine();
int yourexponent = int.Parse(exponent);
Console.WriteLine("The result is " + Calculator.Power(yournumber, yourexponent));
Console.WriteLine(">>>Press Enter<<<");
Console.ReadKey();
Console.WriteLine("");
Console.WriteLine("FACTORIAL");
Console.WriteLine("Factorial of:");
string stringfactorial = Console.ReadLine();
int yourfactorial = int.Parse(stringfactorial);
Console.WriteLine("The result is " + Calculator.Factorial(yourfactorial));
Console.WriteLine(">>>Press Enter<<<");
Console.ReadKey();
Console.WriteLine("");
Console.WriteLine("Thanks for you cooperation, next time you should use a true calculator.");
Console.WriteLine(">>>>>Press Enter to cause a nuclear explosion<<<<<");
Console.ReadKey();
}