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Use case points
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<p>Use case points (UCP or UCPs) is a <a href="/facts/Software_estimation/f1qohGrr">software estimation</a> technique used to forecast the software size for software development projects. UCP is used when the <a href="/facts/Unified_Modeling_Language/3tlNS0tH">Unified Modeling Language</a> (UML) and <a href="/facts/Rational_Unified_Process/fzHdkJw0">Rational Unified Process</a> (RUP) methodologies are being used for the software design and development. The concept of UCP is based on the requirements for the system being written using <a href="/facts/Use_cases/8pNHjsIr">use cases</a>, which is part of the UML set of modeling techniques. The software size (UCP) is calculated based on elements of the system use cases with factoring to account for technical and environmental considerations. The UCP for a project can then be used to calculate the estimated effort for a project. </p>