You can use formulas to enter statistical data on the TI-84 Plus calculator. The figure illustrates how you would place the sequence 10, 20, . . ., 200 in list L1. The formula used in this example is simply x. The initial and terminal values of x are naturally 10 and 200, respectively. And, as you may guess, x is incremented by 10.

Make sure Stat Wizards are ON in the Mode menu before beginning this section. To turn Stat Wizards ON, press


To use a formula to define your data, follow these steps:

  1. If necessary, press [STAT][1] to enter the Stat List editor.

  2. Use the arow keys to place the cursor on the column heading where you want your data to appear, and press [ENTER].

  3. Fill in the Seq Wizard, press


    See the first screen. The easiest way to create a sequence is to press


    for the expression. Fill in the appropriate start and end values. The step is the increment from one term to the next. Wizards just make things easier.

  4. Use the down-arrow key to highlight Paste and press [ENTER].

    See the second screen. Notice how the wizard fills in the syntax of the Seq command for you!

  5. Press [ENTER] to create your data in the list.

    This procedure is shown in the third screen.