Texas Instruments -84 Plus, Manual Book

Page: 171 / 696

Chapter 6: Sequence Graphing 168
5. Press
y .
and select the
Web
axes setting.
6. Press
p
and change the variables below.
7. Press
s
to graph the sequence.
8. Press
r
, and then press
~
to draw the web. The displayed cursor coordinates
n
,
X
(
u( n
N
1)
), and
Y
(
u( n )
) change accordingly. When you press
~
, a new
n
value is
displayed, and the trace cursor is on the sequence. When you press
~
again, the
n
value remains the same, and the cursor moves to the
y=x
reference line. This pattern
repeats as you trace the web.
Xmin=
L
10
Xmax=10