There are additional menu selection keys on the left-hand keyboard
(see item 2). For an alphabetical listing of all menus, including a brief
description of the commands in each menu, refer to appendix D,
17. Menu keys. The menu keys are defined by the menu labels. If
no labels are visible, these keys execute the cursor menu operations
labeled in white above the keys.
18. Menu labels. The menu labels show the current definitions of
the menu keys.
19. Stack levels. The stack shows the objects you're currently
working with. Each numbered stack level (level 1, level 2, and so on)
holds one object.
The Catalog of Commands
The HP-28S contains a catalog of all commands, listed alphabetically.
For each command the catalog shows its usage-that is, the argu-
ments required by the command. For a complete description of any
command listed in the catalog, refer to "Operation Index" in the back
of the Reference Manual.
Start the catalog .
The first command is ABORT.
Normal calculator operation is suspended while the catalog is active.
operations move the catalog to other com-
operation displays the arguments required by the
current command. The
operations terminate the
catalog, restoring normal calculator operation.
to move through the catalog. You can
hold down the keys for repeated moves.
1: Getting Started