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The newest Java RunTime Environment (JRE) version can be downloaded here
P Nodes are drawn as Circles To Select Elements for Reduction: Hold down the Control key and Select elements from the list on the left To Perform a Reduction on the PQTree: Click the Reduce button (After selecting elements) To Perform a Reduction on the PQTree step by step: Click the Step button (After selecting elements) To Animate a Reduction on the PQTree: Select the Show All Steps check box To Stop Animation of a Reduction on the PQTree: Click the Reduce button (without Show All Steps selected) to complete the Reduction normally To Reset the PQTree: Click the Reset button |