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Chapter 6: Basic Function Graphing 111
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 111 of 22
Press
¥#
or
O
2
to display the Y= Editor.
A “
Ÿ
” indicates which functions will be graphed the next time you
display the Graph screen.
To select or deselect: Do this:
A
specified function 1. Move the cursor to highlight the function.
2. Press
†
.
This procedure selects a deselected function
or deselects a selected function.
A
ll functions 1. Press
‡
to display the
All
toolbar menu.
2. Select the applicable item.
You can also select or deselect functions from the Home screen or a
program.
¦
Use the
FnOn
and
FnOff
commands (available from the Home
screen’s
†
Other
toolbar menu) for functions. Refer to
Appendix A.
¦
Use the
PlotsOn
and
PlotsOff
commands for stat plots. Refer to
Appendix A.
Selecting Functions to Graph
Regardless of how many functions are defined in the
Y= Editor, you can select the ones you want to graph.
Selecting or
Deselecting
Functions
Tip: You don’t have to
select a function when you
enter or edit it; it is selected
automatically.
Tip: To turn off any stat
plots, press
‡
5
or use
†
to deselect them.
From the Home
Screen or a Program
Selected
Deselected
If
PLOT
numbers are
displayed, those stat plots
are selected.
In this example, Plots 1
and 2 are selected. To
view them, scroll above
y1=.