Book excerpt: FileMaker 8 Functions and Scripts Desk Reference is the only book on the market expressly focused on describing each calculation formula and how and when to use each one. With this book's real-world, concrete examples of how to use each function, you will go far beyond FileMaker 8's help system. Just as a dictionary helps supplement one's memory, this book is an invaluable companion to users working to develop solutions to their every day software problems.