anchor.diff:          }
   ----
   
  +The Startup class here is pretty basic, I just went with the default routing provided out of the box by MVC. You can add different route patterns or you can use attribute based routing if desired. 
   [source, c#]
   ----
       public class Startup
  
positive.code:     }
  ----
  
  [source, c#]
  ----
      public class CalculatorController : Controller
  
negative.code:     }
  ----
  
  The `project.json` lists the dependancies. In the most recent version of .NET Core, these `.json` files get upgraded to `.csproj` files 
  [source, json]
  ----
  {
  