Texas Instruments TI-80 Getting Started: Generating a Sequence

8-2 Lists
Getting Started is a fast-paced introduction. Read the chapter for details.
Calculate the first eight terms of the sequence 1àAñ and display them in fraction
form.
The SEQ( function returns a list of values based on five arguments: an expression,
a variable to be incremented, a beginning value, an ending value, and an increment.
For this example, the beginning value is 1, the ending value is 8, and the increment
is 1.
1. Begin on a blank line on the Home screen. Press 2
= to display the LIST OPS menu.
2. Press 4 to select SEQ(. The function name is copied
to the cursor location on the Home screen.
3. Press 1 e ? A a b ? A b 1 b 8 b 1 d
§ 2 ¢. Press ¸ to generate the list and
store it in L1. The list is displayed on the Home
screen.
4. Use 9 to scroll the list to see all of the elements.
5. Press J 4 (to select 4FRAC). On the Home screen,
ANS is typed automatically, followed by 4FRAC.
6. Press ¸ to show the sequence in fraction form.
Use 9 to scroll the list to see all of the elements.
Getting Started: Generating a Sequence