Calculations Last modified: 2026-07-22 You can make configurations for many types of calculations under System settings > Calculations. For many calculations, you must first set up Terms. Related articles Terms Measured value copy Evaluations & charts Simulation KPIs/Key performance indicators Power performance index (PPI) chart Energy performance index (EPI) chart PR/Performance ratio chart KPI editor for PR/performance ratio and system availability KPI Editor: Performance ratio/PR Availability chart KPI Editor: System availability Yield loss calculation