HP 39gII User Manual page 138

Open the
Sequence app
Define the
expression
Set up the plot
128
1. Open the Sequence app.
I
Select
Sequence
The Sequence app
starts in the Symbolic view.
2. Define the Fibonacci sequence, in which each term
(after the first two) is the sum of the preceding two
terms:
,
U = 1 U =
1 2
In the Symbolic view of the Sequence app, highlight
1
the U (1) field and begin defining your sequence.
E E
1 1
+
E
Note: You can use the
,
assist in the entry of expressions.
3. In Plot Setup, set the SEQPLOT option to Stairstep
and reset the default plot settings by clearing the Plot
Setup view.
S
-
SETUP PLOT
S
CLEAR
\> E
8
> E
8
,
1 U = U +
n n 1 –
, , and
for .
>
U n 2
n 2 –
menu keys to
Sequence app