Function Point Analysis (FPA) is a sizing measure of clear business significance. First made public by Allan Albrecht of IBM in 1979, the FPA technique quantifies the functions contained within software in terms that are meaningful to the software users.

This book on Function Point Analysis introduces the latest guidelines released in the International Function Point Users Group (IFPUG) Counting Practices Manual 4.1. It fully explains the calculations and mechanics behind function point analysis as well as its most common uses. It also offers experience-based techniques for applying the methodology.