static void Main(string[] args) { Expression cExp = new Expression(); Stack scStack = new Stack(); string inputString = cExp.GetUserInput(); cExp.EvaluateExpression(inputString); int result = cExp.calculate(cExp.terms, cExp.ops); scStack.lastqAccess = inputString; scStack.lastAccess = result.ToString(); scStack.pushStack(); scStack.peekStack(); string test = scStack.lastqAccess; Console.WriteLine("Last Question pop = " + test); test = scStack.lastAccess; Console.WriteLine("Last Answer pop = " + test); Console.ReadKey(); }