Texas Instruments TI-83 Manual Book page 201

These are the variables (given values are in parentheses):
R = number of rabbits
M = rabbit population growth rate without foxes
K = rabbit population death rate with foxes
W = number of foxes
G = fox population growth rate with rabbits
D = fox population death rate without rabbits
= time (in months)
n
R = R (1+MNKW
n n N1
W = W (1+GR
n n N1
1. Press o in
sequences and initial values for R
the sequence R
2. Press y . Í to select
TI-83 Plus Sequence Graphing
)
n N1
ND)
n N1
mode to display the sequence
Seq
as and enter the sequence W
u( n )
n
(.05)
(.001)
(.0002)
(.03)
Y=
and W as shown below. Enter
n n
axes format.
Time
editor. Define the
as .
v( n )
n
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