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TI-83 Plus Sequence Graphing 177
3. Press
o
. If the graph-style icon is not
í
(dot),
press
|
|
, press
Í
until
í
is displayed,
and then press
~
~
.
4. Press
~
3
to select
iPart(
(integer part)
because only whole trees are harvested. After
each annual harvest, 80 percent (.80) of the
trees remain.
Press
Ë
8
y
[
u
]
£
„
¹
1
¤
to define
the number of trees after each harvest. Press
Ã
1000
¤
to define the new trees. Press
†
4000
to define the number of trees at the
beginning of the program.
5. Press
p
0
to set
n
Min=0
. Press
†
50
to
set
n
Max=50
.
n
Min
and
n
Max
evaluate forest
size over 50 years. Set the other window
variables.
PlotStart=1 Xmin=0 Ymin=0
PlotStep=1 Xmax=50 Ymax=6000
Xscl=10 Yscl=1000