We had this for a brief moment and then was removed last fall. Would like ability to add/subtract/multiply/divide tags and display on dashboards or analysis chart.
Tag Expressions in Analysis are coming in Q1 release (4/13). Not sure about Dashboards.
Toby - that is correct for analysis - dashboard is still a gap.
For dashboards - examples would be kpi's type parameters that would make use of a simple math. Another example would be plant mw's. We would sum gt and st mw to produce plant mw's.
Promoted the request to feature # PDAPMMEH-166
The only expressions that work are +, -, /, * ... can we have other expressions? for example raising something to a power ^ , square root (but i guess you can raise to ^0.5), among others
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