The Origins of Function Point Measures


by: Capers Jones

We’re pleased to share this month’s Trusted Advisor, which was written by Capers Jones. Capers is a well-known author and speaker on topics related to software estimation. He is the co-founder, Vice President, and Chief Technology Officer of Namcook Analytics LLC, which builds patent-pending advanced risk, quality, and cost estimation tools. 

Many thanks to Capers for participating in Trusted Advisor and allowing us to publish his report!

The 30th anniversary of the International Function Point User’s Group (IFPUG) is approaching. As such, this report addresses a brief history of the origin of function points. The author, Capers Jones, was working at IBM in the 1960’s and 1970’s, observing the origins of several IBM technologies, such as inspections, parametric estimation tools, and function point metrics. This report discusses the origins and evolution of function point metrics.

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