HP 39gs Graphing manual Define the expression Specify plot settings, Open the Sequence aplet

Open the Sequence aplet

Define the expression

Specify plot settings

1. Open the Sequence aplet.

Select

Sequence

The Sequence aplet 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:

U1 = 1 , U2 = 1 , Un = Un – 1 + Un – 2 for n > 3 .

In the Symbolic view of the Sequence aplet, highlight the U1(1) field and begin defining your sequence.

1 1

Note: You can use the

, , ,

, and menu keys to assist in the entry of equations.

3.In Plot Setup, first set the SEQPLOT option to Stairstep. Reset the default plot settings by clearing the Plot Setup view.

SETUP-PLOT

CLEAR

8 8

6-2 Sequence aplet