The nerd in me loves seeing tools like this and the amazing integration of coding tools for manipulating data

The enterprise manager of complex financial and equipment excel models worries about managing those code bases if they are spread out all over God's creation, hidden in a thousand cells without change management or access control...

Is there a single code/formula base location for everything? (I admit, I have only been playing with it for a little bit...)

How do I manage who gets the 'user version' and who gets to play with the 'creator' version?

We always use the first worksheet as a version control chart tracking recent changes and modifications. It's rudimentary, but surprisingly effective over time now that OneDrive desperately undermines these controls with history management