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What is the best way to get the highest value of (tag1,tag2,tag3) - the lowest value of (tag1,tag2,tag3)

Question asked by tcw6214 on Aug 1, 2019
Latest reply on Aug 1, 2019 by tcw6214

I need to find the tag with the highest value of the three and subtract it from the lowest value of the three. Preferably in one equation without using for example IF TagVal(tag1) > TagVal(Tag2) then tag1...……...