Yes that (latest dev version of FreeCAD) seems to have solved the problem. Many thanks!

Update A: My fix turned out not to be permanent. After opening the file in FreeCAD, changing a spreadsheet parameter, and saving the file, the order of the expression lines was reversed again (seen using BeyondCompare on the before and after *.FCStd files) and the parameters no longer worked. Update...

[Context: I'm new to FreeCAD Forum (first post). I'm relatively new (<100 hours) to using FreeCAD and not at all expert at using it, though I've been watching its development for a few years]. Problem: I've experienced part positions being incorrect when the spreadsheet parameters they depend upon a...