In Functions: Table
With 3 (or more) displayed functions, navigation in table (want to see h(x) values for example) will hide x column. Quite Annoying.
Solutions:
Enhancement
Software version: 1.1.2
This is something we plan to do. We chose your first solution.
That would be something like that:

Why not shorten the width of the columns? If there are always 7 significative numbers, there is useless space on the left.
Because it would be the same problem with 3 "functions" columns as you can see on the draft screenshot I enclosed
Yes but there would be no need to scroll.
Most helpful comment
This is something we plan to do. We chose your first solution.
That would be something like that: