Data/Matrix Editor
515
•
Press
A
or
B
to remove the highlighting. Then edit the old expression.
Note:
To cancel any changes, press
N
before pressing
¸
.
Note:
The seq function is described in the Technical Reference module. If you refer
to an empty column, you will get an error message unless
Auto-calculate = OFF
.
Note:
For a data variable, header definitions are saved when you leave the Data/ Matrix
Editor. For a list variable, the definitions are not saved (only their resulting cell values).
You can use an expression that: For example:
Generates a series of numbers.
c1=seq(x^2,x,1,5)
c1={1,2,3,4,5}
Refers to another column.
c2=2
ù
c1
c4=c1
ù
c2–sin(c3)
3. Press
¸
,
D
, or
C
to save the
definition and update the columns.
Ê
c1=seq(x,x,1,7);
Ë
c2=2
ù
c1;
Ì
You cannot directly change a locked
cell (
Œ
) since it is defined by the column header.
Ê Ë
Ì
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 ...
