Any valid Visual Basic.NET expression is supported. Here are some examples:

  (latestquote - previousquote) / previousquote
  iif(isonlineorder, "Online", "Retail")
  FirstName & " " & LastName
  iif(IsNothing(Amount), "Amount missing",  Format(Amount, "c2"))
  "Q" & ((OrderDate.Month - 1) \ 3 + 1)
  MonthName(DatePart(DateInterval.Month, Today), false)
  DateAdd(DateInterval.Day, 1, Today)

See this file for example of usage: https://github.com/Rajeev-K/formula-parser/blob/master/src/R...