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Some Entry Keys - HP -28S Manual

Advanced scientific calculator.
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Key
Description
.c:ffi[]
Delete all characters to the left of the cursor .
1
DEL
1
Delete the character at the cursor position and all characters
to the right.
.m
Move the cursor to the top row of the command line .
• C!J
Move the cursor to the bottom row of the command line .
• [3]
Move the cursor to the left end of the command line .
• CEJ
Move the cursor to the right end of the command line.
Some Entry Keys
The following keys are useful when you're entering objects in the
command line.
Key
Description
GEl
Cursor Menu On/Off.
When the Cursor menu is not ac-
tive: selects the Cursor menu. When the Cursor menu is
active: selects the previous menu.
1
CHS
I
Change Sign.
When the cursor is positioned at a num-
ber: changes the sign of the number. When the cursor is
not positioned at a number: writes a minus sign. (If no
command line is present: executes the command NEG.)
1
EEX
I
Enter Exponent.
When the cursor is positioned at a
number without an exponent: writes the character E after
the number. When the cursor is positioned at a number
with an exponent: positions the cursor after the E. If the
cursor is not positioned at a number: writes 1
E.
[!j
Backspace.
Deletes the character to the left of the
cursor, moving the cursor (and any characters to the
right) one space to the left. If you press and hold [!j, the
action is repeated until you release the key.
~
Lower-Case Letters.
Switches between Upper-case and
Lower-case modes. When the command line is created,
Upper-case mode is active-CIJ through
m
write
A
through Z. In Lower-case mode, CIJ through
m
write
.:l
through z.
168
18: The Command Line
I

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