static void Main(string[] args)
{
Class1 c = new Class1();
Console.WriteLine(c.Sub(4, 3));
}
public static void Main(String [] args)
{
Class1 m = new Class1();
while (true)
{
Console.WriteLine("1.Add");
Console.WriteLine("2.Sub");
Console.WriteLine("3.Mult");
Console.WriteLine("4.Div");
Console.WriteLine("5.Prime/!Prime");
Console.WriteLine("6.Fact");
Console.WriteLine("7.Exit");
Console.WriteLine("Enter your choice");
var ch = int.Parse(Console.ReadLine());
switch (ch)
{
case 1:
{
float result;
Console.WriteLine("Enter value of a and b");
var a = float.Parse(Console.ReadLine());
var b = float.Parse(Console.ReadLine());
m.Add(out result, ref a, ref b);
Console.WriteLine("Addition of two numbers is = " + result);
}
break;
case 2:
{
float result;
Console.WriteLine("Enter value of a and b");
var a = float.Parse(Console.ReadLine());
var b = float.Parse(Console.ReadLine());
m.Sub(out result, ref a, ref b);
Console.WriteLine("Subtraction of two numbers is = " + result);
}
break;
case 3:
{
float result;
Console.WriteLine("Enter value of a and b");
var a = float.Parse(Console.ReadLine());
var b = float.Parse(Console.ReadLine());
m.Mul(out result, ref a, ref b);
Console.WriteLine("Multiplication of two numbers is = " + result);
}
break;
case 4:
{
float result;
Console.WriteLine("Enter value of a and b");
var a = float.Parse(Console.ReadLine());
var b = float.Parse(Console.ReadLine());
m.Div(out result, ref a, ref b);
Console.WriteLine("Divison of two numbers is = " + result);
}
break;
case 5:
{
string result;
Console.WriteLine("Enter value of a");
var a = int.Parse(Console.ReadLine());
Console.WriteLine("Is number Prime = " + m.chckPrime(ref a));
}
break;
case 6:
{
Console.WriteLine("Enter value of a");
int a = int.Parse(Console.ReadLine());
m.Fact(ref a);
Console.WriteLine("Factorial of number = " + a);
}
break;
case 7:
{
Environment.Exit(0);
}
break;
default:
Console.WriteLine("You have entered the wrong option");
break;
}
}
}
