HP 39g Graphing Calculator - Manual (Page 17)

Entry/Edit keys The entry and edit keys are:
Key Meaning
|ONj {CANCEL) Cancels the cuiTent operation if the
calculator is on by pressing |
on |.
Pressing 1 SHIFT 1, then OFF turns the
calculator off.
1 SHIFT 1 Accesses the function printed in blue
above a key.
1 HOME i Returns to the HOME view, for
performing calculations.
1 ALPHA 1 Accesses the alphabetical characters
printed in orange below a key. Hold
down to enter a string of characters.
1 ENTER 1 Enters an input or executes an
operation. In calculations, | ENTER | acts
like “=”. When EH or Hliil is present
as a menu key, |
enter
| acts the same
as pressing H3 or HEHi.
E
3 Enters a negative number. To enter
~25, press 1
(-) |25. Note: this is not the
same operation that the subtract
button performs (Bl)-
|x,T,e 1 Enters the independent variable by
inserting X, T, 0, or A into the edit line,
depending on the current active aplet.
1 DEL 1 Deletes the character under the cursor.
Acts as a backspace key if the cursor is
at the end of the line.
1 SHIFT |CL£At? Clears all data on the screen. On a
settings screen, for example Plot
Setup, 1 SHIFT |CL£AK returns all settings
to their default values.
S’ B’ B>
B
Moves the cursor around the display.
Press 1 SHIFT 1 first to move to the
beginning, end, top or bottom.
1 SHIFT jC/ZAfiS Displays a menu of all available
characters. To type one, use the an'ow
keys to highlight it, and press H3. To
select multiple characters, select each
and press l=WiM, then press H3.
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