Texas Instruments 83PL/CLM/1L1/V - 83 Plus Calc, Manual Book

Page: 180 / 827

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