Texas Instruments TI-89 Manual Book page 31

3. Select the desired unit and press ¸.
4. Press ¸ to place the value in the spreadsheet.
The value is converted and displayed automatically in the current
default unit for that category. For example, if your default unit
system is set to SI (scientific) and you enter 2_cm, the
CellSheet™ App will return .02*_m. To maintain units other than
the default, follow the entry with the conversion operator (ú) and
the units you want.
Grabbing a cell reference
Grabbing a cell reference copies a cell name onto the edit line.
While editing or entering information, press §. Use the arrow
keys to move the cursor to the cell whose reference you would
like to enter into the formula. Press ¸.
Grabbing a range reference
Grabbing a range reference copies a range of cells onto the edit
line. While editing or entering information, press §. Use the
arrow keys to move the cursor to the first cell in a range you
want to reference. Press and hold ¤ while pressing the arrow
keys until the range is selected. Press ¸, and the range is
entered into the formula or function.
TI-89 / TI-92 Plus / Voyage™ 200 PLT CellSheet™ App Page 31