RMcGee

            //SIN Number Validator

            Int32 sin, first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, sumOfDigits;

            Console.WriteLine("Enter SIN");
            sin = Int32.Parse(Console.ReadLine());

            first = sin / 100000000;
            second = sin % 100000000 / 10000000;
            third = sin % 10000000 / 1000000;

RMcGee

            Int32 n, nFactorial, count;
            Char response;

            Console.WriteLine("Welcome to the Factorial Calculator.. again");
           
            do
            {
                Console.WriteLine("Please enter a value for 'n'");
                n = Int32.Parse(Console.ReadLine());
                nFactorial = 1;

RMcGee

            Int32 count = 0, current = 0, previous = 1, previousPrevious = 0, n;

            Console.WriteLine("Fibonacci Series");
            Console.WriteLine("How many numbers should display in the sequence?");
            n = Int32.Parse(Console.ReadLine());

            while (count < n)
            {
                Console.WriteLine(current);
                previousPrevious = previous;

RMcGee

Int32 n, nFactorial;
            Console.WriteLine("Factorial Calculator!!!");
            Console.WriteLine("Enter n value");
            n = Int32.Parse(Console.ReadLine());

            nFactorial = 1;
            for (nFactorial = 1; n > 1; n--)
                nFactorial *= n;

RMcGee

 Int32 n, nFactorial;
            Console.WriteLine("Factorial Calculator!!!");
            Console.WriteLine("Enter n value");
            n = Int32.Parse(Console.ReadLine());

            nFactorial = 1;
            while (n > 1) //no semi-colon
            {      //new      //old
                nFactorial = nFactorial * n;
                n = n - 1;

RMcGee

Char letter;
String message;
            
Console.WriteLine("Enter letter grade A, B, C, D, F");
letter = Char.ToUpper(Char.Parse(Console.ReadLine()));

   //Char.ToUpper converts lower to upper case, case 'a' 'b' ... 'f' 
  //becomes redundant.

            switch (letter)

RMcGee

Double score1, score2, score3, gold, silver, bronze;
  Console.WriteLine("Enter 3 scores, press enter after each");
  score1 = Double.Parse(Console.ReadLine());
  score2 = Double.Parse(Console.ReadLine());
 score3 = Double.Parse(Console.ReadLine());

            if (score1 > score2)
            {
                gold = score1;
                silver = score2; 

RMcGee

//Higest of Three Numbers 

//get first, second & third
               
  Double first, second, third, highest;
  String message;
  Console.WriteLine("Enter first number");
  first = Double.Parse(Console.ReadLine());
  Console.WriteLine("Enter second number");
  second = Double.Parse(Console.ReadLine());

RMcGee

 //Higest of Two Numbers #1

      //get first and second
      Double first, second, highest;
      String message;
      Console.WriteLine("Enter first number");
      first = Double.Parse(Console.ReadLine());
      Console.WriteLine("Enter second number");
      second = Double.Parse(Console.ReadLine());

RMcGee

double aSide, bSide, cSide;
    Console.WriteLine("Enter the value of side A");
    aSide = double.Parse(Console.ReadLine());
    Console.WriteLine("Enter the value of side B");
    bSide = double.Parse(Console.ReadLine());
    cSide = Math.Sqrt((aSide * aSide) + (bSide * bSide));
    Console.WriteLine("the length of the hypotenuse will be {0:0.00}", cSide);
    Console.ReadLine();