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
à 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