Defining A Column Header With An Expression - Texas Instruments TI-89 Titanium User Manual

Clearing a Column or all Columns
This procedure erases the contents of a column. It does not delete the column.
To clear: Do this:
A column
1. Move the cursor to any cell in the column.
2.
All columns
Press
confirmation, press
For a list or data variable, a clear column is empty. For a matrix, a clear column
Note:
contains zeros.

Defining a Column Header with an Expression

For a list variable or a column in a data variable, you can enter a function in the column
header that automatically generates a list of elements. In a data variable, you can also
define one column in terms of another.
Entering a Header Definition
In the Data/Matrix Editor:
Data/Matrix Editor
Press:
2 ˆ
and select 5:Clear Column.
(This item is not available for a matrix.)
ƒ
and select 8:Clear Editor. When prompted for
¸ N
(or to cancel).
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