/* Mastering Visual C# .NET by Jason Price, Mike Gunderloy Publisher: Sybex; ISBN: 0782129110 */ /* Example3_1.cs illustrates the use of expressions to calculate and display the circumference of a circle */ public class Example3_1 { public static void Main() { const double Pi = 3.14159; double diameter = 2.5; // calculate the circumference double circumference = Pi * diameter; // display the circumference System.Console.WriteLine("Circumference = " + circumference); } }