MPM (Méthode des Potentiels Metra) is a project scheduling technique using potential analysis on activity-on-node networks. Also known as the Precedence Diagram Method (PDM), it represents activities as nodes and precedence relationships as arcs. The method calculates: earliest start times (ES), earliest finish times (EF), latest start times (LS), latest finish times (LF), and total float for each activity. Critical path is identified as the sequence of activities with zero float. MPM supports various precedence relationships: finish-to-start, start-to-start, finish-to-finish, and start-to-finish with time lags.