Entering a list in the independent variable column, Adding, deleting, or clearing, Cell width and display formats – Texas Instruments PLUS TI-89 User Manual

Page 247: From the home screen or a program

Advertising
background image

230 Chapter 13: Tables

13TABLES.DOC TI-89/TI-92 Plus: Tables (English) Susan Gullord Revised: 02/23/01 1:08 PM Printed: 02/23/01 2:16 PM Page 230 of 10

1. Move the cursor to highlight any cell in the independent variable

column.

2. Press † to move the cursor to the entry line.

3. Type a series of values, enclosed in braces { } and separated by

commas. For example:

x={1,1.5,1.75,2}

You can also enter a list variable or an expression that evaluates
to a list.

4. Press ¸ to move the values into the independent variable

column. The table is updated to show the corresponding function
values.

To:

Do this:

Insert a new row
above a specified row

Highlight a cell in the specified row and
press:

TI-89:

2 ˆ

TI-92 Plus:

ˆ

The new row is undefined (

undef

) until you

enter a value for the independent variable.

Delete a row

Highlight a cell in the row and press ‡.
If you highlight a cell in the independent
variable column, you can also press 0.

Clear the entire table
(but not the selected
Y= functions)

Press ƒ

8

. When prompted for

confirmation, press ¸.

Several factors affect how numbers are displayed in a table. Refer to
“Changing the Cell Width” and “How Numbers Are Displayed in a
Cell” on page 227.

System variable

tbl

Z

nput

contains a list of all independent variable

values entered in the table, even those not currently displayed.

tbl

Z

nput

is also used for an automatic table, but it contains only the

independent variable values that are currently displayed.

Before displaying a table, you can store a list of values directly to the

tbl

Z

nput

system variable.

Entering a List in
the Independent
Variable Column

Note: If the independent
variable column contains
existing values, they are
shown as a list (which you
can edit).

Adding, Deleting,
or Clearing

Cell Width and
Display Formats

From the Home
Screen or a Program

Advertising
This manual is related to the following products: