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What is a function point?

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What do you mean when you talk about function point in project management? Do function points have anything to do with the project schedule (are they more or less the same thing as deliverables)?
asked 7 years ago by anonymous

1 Answer

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A function point is more or less like a measurement unit used in an estimation technique called function point analysis (which you can read more about here: http://www.projectmanagementquestions.com/260/what-is-function-point-analysis )


Let me give you an example that will explain to you what a function point is... Let's say that you are estimating how much time and paint you need to paint your house. What you do is you calculate the total areas of the walls that need to be painted, in square feet, for example, and then you estimate that for each square feet, you will need 20 seconds of work, and let's say 0.1 liter of paint (which will cost you 40 cents). Your function point in this scenario is one square feet.

Now if you have 5,000 feet that need to be painted,  you will know that the total time to paint your house will be 100,000 seconds or about 28 hours. You also know that you will pay about $2,000 for paint. Now if the painter takes $40/hour, then your total costs will be $3,120 ($2,000 + $1,120).

As you can see from above, we were able to easily estimate the time that the project will take and the total costs by using a function point.
answered 7 years ago by MaplePM (46,940 points)
There is a software available for Function Points assessments, if you need one: Sizify.
7 years ago by anonymous

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