User's Manual Part 1

To display the contents of a Tab, use the mouse pointer. The tab will then become
highlighted, and the worksheet will now be visible.
The keyboard does not allow access to the Tabs. The only way to select a Tab
is by using the mouse pointer.
5.3.3. Split Bar
The Split bar lets the user slide the resize the Horizontal scroll bar to the left or right, so all
of the Tabs can be viewed. This feature is always located on the left edge of the
Horizontal scroll bar.