Calculations Last modified: 2026-08-14 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 PPI/Power performance index chart EPI/Energy performance index chart PR/Performance ratio chart KPI editor for PR/performance ratio and system availability KPI Editor: PR/Performance ratio KPI Editor: System availability Availability chart Yield loss calculation