114 Chapter 6: Basic Function Graphing
06BASFUN.DOC TI-89/TI-92 Plus: Basic Function Graphing (English) Susan Gullord Revised: 02/23/01 4:09 PM Printed: 02/23/01 4:18 PM Page 114 of 22
From the Y= Editor, Window Editor, or Graph screen, press ƒ and
select 9:Format.
¦ The GRAPH FORMATS dialog
box shows the current
settings.
¦ To exit without making a
change, press N.
Format Description
Coordinates Shows cursor coordinates in rectangular (RECT)
or polar (POLAR) form, or hides (OFF) the
coordinates.
Graph Order Graphs functions one at a time (SEQ) or all at the
same time (SIMUL).
Grid Shows (ON) or hides (OFF) grid points that
correspond to the tick marks on the axes.
Axes Shows (ON) or hides (OFF) the x and y axes.
Leading Cursor Shows (ON) or hides (OFF) a reference cursor
that tracks the functions as they are graphed.
Labels Shows (ON) or hides (OFF) labels for the x and y
axes.
From the GRAPH FORMATS dialog box:
1. Move the cursor to highlight the format setting.
2. Press B to display a menu of valid settings for that format.
3. Select a setting. Either:
¦ Move the cursor to highlight the setting, and then press ¸.
— or —
¦ Press the number for that setting.
4. After changing all applicable format settings, press ¸ to save
your changes and close the GRAPH FORMATS dialog box.
Changing the Graph Format
You can set the graph format to show or hide reference
elements such as the axes, a grid, and the cursor’s
coordinates. Function graphs, parametric graphs, etc., have
their own independent set of graph formats.
Displaying Graph
Format Settings
Tip: You also can display
the GRAPH FORMATS
dialog box from the Y=
Editor, Window Editor, or
Graph screen. Press:
TI.89:
¥ Í
TI.92 Plus:
¥ F
Tip: To turn off tick marks,
define the viewing window
so that xscl and/or yscl = 0.
Changing Settings
Tip: To cancel a menu or
exit the dialog box without
saving any changes, use
N
instead of
¸
.