static void Main(string[] args)
{
Console.Write("Enter first number: ");
double num1 = Double.Parse(Console.ReadLine());
Console.Write("Enter second number: ");
double num2 = Double.Parse(Console.ReadLine());
Console.Write("Would you like to (1) Add (2) Subtract (3) Multiply (4) Divide: ");
int choice = Int32.Parse(Console.ReadLine());
switch (choice)
{
case 1:
Console.WriteLine(Math.AddNums(num1, num2));
break;
case 2:
Console.WriteLine(Math.SubtractNums(num1, num2));
break;
case 3:
Console.WriteLine(Math.MultiplyNums(num1, num2));
break;
case 4:
Console.WriteLine(Math.DivideNums(num1, num2));
break;
}
}
public static void Main()
{
double calc = 0;
bool check = true;
do
{
Console.Clear();
Console.WriteLine("Calculator");
Console.WriteLine("1) Add");
Console.WriteLine("2) Subtract");
Console.WriteLine("3) Multiply");
Console.WriteLine("4) Divide");
Console.WriteLine("5) Return to main menu");
Console.WriteLine("Please enter the number of your choice");
check = double.TryParse(Console.ReadLine(), out calc);
if (check == false)
{
Console.WriteLine("Invalid choice, Please enter a number");
Console.WriteLine("Press enter to continue");
Console.ReadLine();
}
else
{
switch (calc)
{
case 1:
Input();
Console.WriteLine("{0} + {1} = {2}", num1, num2, Math.AddNums(num1, num2));
Clear();
break;
case 2:
Input();
Console.WriteLine("{0} - {1} = {2}", num1, num2, Math.SubtractNums(num1, num2));
Clear();
break;
case 3:
Input();
Console.WriteLine("{0} x {1} = {2}", num1, num2, Math.MultiplyNums(num1, num2));
Clear();
break;
case 4:
Input();
Console.WriteLine("{0} / {1} = {2}", num1, num2, Math.DivideNums(num1, num2));
Clear();
break;
case 5:
break;
default:
Console.WriteLine("Invalid Choice, Please enter a number between 1 and 5");
Console.WriteLine("Press enter to continue");
Console.ReadLine();
Console.Clear();
break;
}
}
} while (calc != 5);
}
