now, we use Filemake acting like a logic engine. In contrast, indeed, writing logic within excel is much easier than FMA.
Perhaps you knew, but nevertheless, I have to point out: this works with LibreOffice Calc and not MS Excel
Not implying that you don't already know, but this may be of interest in terms of Calc/Excel compatibility: https://wiki.documentfoundation.org/Feature_Comparison:_Libr...
I have used the tool predominantly with xlsx format spreadsheets created in Excel.