12 Getting Started
8300GETM.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 11:06 AM Printed: 02/19/01 11:06
AM Page 12 of 18
You also can use the graphing features of the TI.83 to find the maximum value
of a previously defined function. When the graph is activated, the viewing
window defines the displayed portion of the coordinate plane. The values of
the window variables determine the size of the viewing window.
1. Press p to display the window
editor, where you can view and edit the
values of the window variables.
The standard window variables define the
viewing window as shown. Xmin, Xmax,
Ymin, and Ymax define the boundaries of
the display. Xscl and Yscl define the
distance between tick marks on the X and
Y axes. Xres controls resolution.
Xmax
Ymin
Ymax
Xscl
Yscl
Xmin
2. Press 0 Í to define Xmin.
3. Press 20 ¥ 2 to define Xmax using an
expression.
4. Press Í. The expression is evaluated,
and 10 is stored in Xmax. Press Í to
accept Xscl as 1.
5. Press 0 Í 500 Í 100 Í 1 Í
to define the remaining window variables.
Setting the Viewing Window: Box with Lid