OMG, I haven't laughed so hard in forever! So glad I didn't have a gulp of coffee in my mouth!
I kinda figured that might get your attention, ledgardener. (insert evil grin) You know I love your work, I just wish you'd unprotect your Excel workbook so others could build on your valued efforts. (translation: I want you to spoon-feed me)
Open source promotes future development. And a wise man once said, "Give a man a lighting calculator and he can design a system. Teach a man how to make a lighting calculator and he"... oh hell, I forget the rest.