Manual

282 Sequence app
Open the
Sequence app
1. Open the Sequence
app:
I
Select
Sequence
The app opens in
Symbolic view.
Define the
expression
2. Define the Fibonacci sequence:
, , for .
In the U
1(1) field, specify the first term of the
sequence:
1
E
In the U1(2) field, specify the second term of the
sequence:
1
E
In the U1(N) field,
specify the formula
for finding the nth
term of the sequence
from the previous
two terms (using the
buttons at the bottom
of the screen to help
with some entries):
+
E
3. Optionally choose a color for your graph (see
“Choose a color for plots” on page 85).
Set up the plot 4. Open the Plot Setup view:
S
P
(Setup)
5. Reset all settings to their default values:
SJ (Clear)
U
1
1=
U
2
1=
U
n
U
n 1
U
n 2
+=
n 2