Contents The Programming Tab » About the ZOS-API » ISystemData TheSystemData » ISDUnitsData Units » ZemaxUnitPrefix AnalysisUnitPrefixPrint page ZemaxUnitPrefix AnalysisUnitPrefix Provides the prefix attached to 'Analysis Units' when printed as text. Next: ZemaxAnalysisUnits AnalysisUnits « ZemaxSourceUnits SourceUnitsZemaxAnalysisUnits AnalysisUnits »