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: 2ˆ
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 tblZnput contains a list of all independent variable
values entered in the table, even those not currently displayed.
tblZnput 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
tblZnput 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