Texas Instruments TI-89 用户手册
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Basic Function Graphing
329
1. From the
„
Zoom
menu, select
C:SetFactors
to display the
ZOOM FACTORS
dialog
box.
Note:
To exit without saving any changes, press
N.
2. Use
D and C to highlight the value you want to change. Then:
•
Type the new value. The old value is cleared automatically when you begin
typing.
typing.
– or –
•
Press
A or B to remove the highlighting, and then edit the old value.
3. Press
¸ (after typing in an input box, you must press ¸ twice) to save any
changes and exit the dialog box.
Saving or Recalling a Viewing Window
Saving or Recalling a Viewing Window
Saving or Recalling a Viewing Window
Saving or Recalling a Viewing Window
After using various
Zoom
tools, you may want to return to a previous viewing window or
save the current one.
Zoom factors must be ‚ 1, but they do
not have to be integers. The default
setting is
not have to be integers. The default
setting is
4
.
1. From the
„
Zoom
menu, select
B:Memory
to display its submenu.
2. Select the applicable item.