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Level 7

Here's a concept that might match what you're trying to do. It isn't perfect, and has lots of room for improvement, but it will allow you to have 6 lines visible and scroll through to the others.

https://workspaces.acrobat.com/?d=mCwQHtGCs3vMEnL17cLFjw

Of course, there are some features left to add like an actual bar on the side and not just buttons. The loops only consider a table of 10 rows, etc. But since the rows are just hidden, you can still calculate with them even if they're not in the layout.