Calculations Last modified: 2025-06-30 You can make configurations for many types of calculations under System configuration > Calculations. For many calculations, you must first set up Terms. Related articles Terms Measured value copy Evaluations & charts Simulation Key performance indicators (KPIs) Power performance index (PPI) chart Energy performance index (EPI) chart Performance ratio (PR) chart System availability chart KPI editor for PR and system availability Yield loss calculation