HP 48G - Manual (Page 17)

Editing an Object in the Command Line
You probably noticed that as soon as you begin typing in an object,
it appears “below” the stack on a line of its own. This line is the
c o m m a n d l i n e . Actually, the command line is more than one line.
It expands as needed to accommodate objects of any size. Objects
in the process of being created stay on the command line until you
press ( enter ), at which point they are placed onto the stack and the
command line disappears.
Making typing errors while creating numbers and other objects is a.
common problem, but one that is easily fixed. After all, the command
line is designed to be a preliminary work area where you can create,
edit, or refine an object before you decide to enter it, thus declaring it
“ready.”
As long as you see the command line, you can edit whatever you’re in
the process of creating. Here’s a list of the editing keys and what they
do:
( cancel
) Erases the entire Command Line, causing it to disappear
until you start typing again.
Moves the cursor (■#) to the left.
Moves the cursor to the right.
Moves the cursor to the line above (for objects requiring
more than one line).
Moves the cursor to the line below (for objects requiring
more than one line).
Erases the character to the left of the cursor.
Erases the character underneath the blinking cursor.
mo
Each of these keys are editing keys o n ly w h ile y o u a r e u s in g t h e
c o m m a n d H n e .
At other times, each key performs the action printed
above it. When there's no command line, & becomes , (DEL)
becomes and so forth. This allows you quicker access to these
operations (\ou need not press the S) shift key first).
Introducing the HP 48 2-5