Texas Instruments TI-83 PLUS - Manual (Page 180)

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 nMin=0 . Press †
50 to
set nMax=50 . nMin and nMax 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