Texas Instruments TI-89 Manual Book page 11

You can cut, copy, and paste from cell to cell and from edit line
to edit line, but not from cell to edit line or vice versa. If you copy
or cut a cell reference from a cell and then paste it to another
cell, the cell reference changes accordingly, but does not change
if you copy from edit line to edit line.
Example
1. In cell A1, enter =a4.
2. Select cell A1 and press ƒ
3. Select cell B1 and press ƒ
should look like this:
4. In cell A2, enter =a5.
5. Go to the edit line for cell A2. Select =A5 and press
ƒ
TI-89 / TI-92 Plus / Voyage™ 200 PLT CellSheet™ App
.
5:Copy
5:Copy
6:Paste
Notice that A4 has automatically
changed to B4.
.
. Your spreadsheet
Page 11