Texas Instruments TI-89 Titanium User Manual page 506

For stat calculations, columns must have the same length.
Note:
From the Home screen or a program, you
can use the
NewData
a data variable that consists of existing
lists.
Ê
Name of data variable to create
Ë
Names of existing list
Although you cannot directly display a
data variable on the Home screen, you
can display a specified column or
element.
Ê
Name of data variable
Ë
Column number
Ì
Column number
Í
Element number in the column
For example:
Ê
Displays column 1 of the variable data1.
Ë
Displays element 1 in column 1 of the
variable data1.
Data/Matrix Editor
command to create
NewData data1,list1,list2
Ê Ë
Ê Ë
data1[1]
(data1[1])[1]
Ì Í
Ê
Ë
503