Proceedings of the Eighth International Conference on Probabilistic Safety Assessment & Management (PSAM)
256 EC Tree—A Simple and Powerful Excel Based Event Tree Modeling Tool (PSAM-0465)
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This paper introduces a Microsoft Excel based event tree modeling tool called EC Tree, which was designed to enable the rapid construction of event trees of any complexity through easy-to-use templates, menu items, and shortcut keys. In contrast to many other event tree modeling tools, EC Tree does not require the purchase or installation of any specialized software, other than Microsoft Office, and is simple enough for a risk analyst to use immediately, without training. EC Tree is a generic event tree modeling tool and is thus not restricted to specific systems, domains of relevance, or scope. In this paper we discuss the functionality of EC Tree, its capabilities and details of its use.