Figure 2. Run Yet Another Command-Line Calculator Web Service Client Web services that emulate four-function calculators are better than those that simply return "Hello World", but not by much. The GettingStarted solution from the ...\Technology Samples\Basic\VB or CS folder lets you verify your IIS virtual directory and other setup prerequisites for Indigo services. Most Indigo sample solutions for VS 2005 Beta 2 or later include VB and C# service and client projects, but a few lack VB versions.