Data/Matrix Editor
513
Clearing a Column or all Columns
This procedure erases the contents of a column. It does not delete the column.
Note:
For a list or data variable, a clear column is empty. For a matrix, a clear column
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:
To clear:
Do this:
A column
1. Move the cursor to any cell in the column.
2.
Press:
2
ˆ
and
select
5:Clear Column
.
(This item is not available for a matrix.)
All columns
Press
ƒ
and select
8:Clear Editor
. When prompted for
confirmation, press
¸
(or
N
to cancel).
Summary of Contents for Titanium TI-89
Page 9: ...Getting Started 6 TI 89 Titanium keys Ë Ì Í Ê ...
Page 34: ...Getting Started 31 2 or D 2 B u s i n e s s D B D B Press Result ...
Page 43: ...Getting Started 40 3 0 D B D D B D Press Result ...
Page 44: ...Getting Started 41 D 2 0 0 2 D B Scroll down to October and press Press Result ...
Page 58: ...Getting Started 55 Example Set split screen mode to TOP BOTTOM Press Result 3 B D ...
Page 70: ...Getting Started 67 ...
Page 175: ...Operating the Calculator 172 From the Keyboard ...
Page 456: ...Tables 453 ...
Page 527: ...Data Matrix Editor 524 ...
