Texas Instruments TI-89 Manual Do Utilizador
Previews
100
5. Set the x and y Window variables to
appropriate values for this example.
Press 0
D 50 D 10 D 0 D 6000 D 1000
6. Display the Graph screen.
Press
8 %
7. Select
Trace
. Move the cursor to trace
year by year. How many years (nc) does it
take the number of trees (yc) to stabilize?
take the number of trees (yc) to stabilize?
Trace begins at nc=0.
nc is the number of years.
xc = nc since n is plotted on the x axis.
yc = u1(n), the number of trees at
year n.
nc is the number of years.
xc = nc since n is plotted on the x axis.
yc = u1(n), the number of trees at
year n.
Press
… B and A as necessary
Steps and keystrokes
Display
By default, sequences
use the Square
display style.
use the Square
display style.