Function point analysis
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Function Point Analysis (FPA) is an ISO recognized method to measure the functional size of an information system. The functional size reflects the amount of functionality that is relevant to and recognized by the user in the business. It is independent of the technology used to implement the system.
The unit of measurement is "function points". So, FPA expresses the functional size of an information system in a number of function points (for example: the size of a system is 314 fp's).
The functional size may be used:
- to budget application development or enhancement costs
- to budget the annual maintenance costs of the application portfolio
- to determine project productivity after completion of the project
All about the method Function Point Analysis may be found on the website of the [NESMA] and is not repeated here. Issues addressed include:
- What is FPA
- * (explains high over what FPA is)
- Benefits of FPA
- * (explains what FPA offers and what is does not offer)
- How does FPA work?
- * (explains the FPA method)
- Early Function Point Analysis (estimated and indicative FPA)
- * (two fast ways to accurately size information systems in all stages of the project life cycle)
- Budgeting with FPA
- * (explains how FPA may be used to budget a software project)
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