Operation Manual

Chapter 6: Sequence Graphing 116

3. Press p and set the variables as shown below.

4. Press s to graph the sequence.

5. Press r ~ to individually trace the number of rabbits (

u(n)) and foxes (v(n)) over time (n).

Note: Press a number, and then press Í to jump to a specific

n value (month) while in TRACE.

6. Press y . ~ ~ Í to select

uv axes format.

7. Press p and change these variables as shown below.

8. Press r. Trace both the number of rabbits (X) and the number of foxes (Y) through 400

generations.

nMin=0

nMax=400

PlotStart=1

PlotStep=1

Xmin=0

Xmax=400

Xscl=100

Ymin=0

Ymax=300

Yscl=100

Xmin=84

Xmax=237

Xscl=50

Ymin=25

Ymax=75

Yscl=10

Note: When you press r, the equation for u is

displayed in the top-left corner. Press } or † to see

the equation for