A plethora of software estimation tools are available, each claimed to be better than the others, thereby confusing prospective buyers. An effective tool ought to provide for all four aspects of software estimation, namely, size, effort, cost, and schedule.
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This article outlines eighteen criteria for selecting the right software estimation tool, and attempts to educate professionals so that they can make informed choices when buying a software estimation tool. Units of Measure for Software Size It is a known fact that there are multiple measures of software size, namely, lines of code (LOC), function points, use case points (UCP), feature points, and so on. And each of these sizing measures has a sizable following. As a result, there is no agreement among