Texas Instruments TI-89 Manual Book page 4

You can use a unit-to-unit cable to share spreadsheets with
other TI-89 and TI-92 Plus / Voyage™ 200 PLT units. A
CellSheet™ computer-based utility is available separately. The
utility lets you share TI-89 and TI-92 Plus / Voyage 200 PLT
spreadsheets with Excel and other programs. You can also use
the utility to convert and share spreadsheets with TI-83 Plus and
TI-83 Plus Silver Edition units. Please see education.ti.com for
more information about the CellSheet computer-based utility.
Languages
This application is available in English, Danish, Dutch, Finnish,
French, German, Italian, Norwegian, Portuguese, Spanish,
Swedish. The corresponding language localization software
must also be installed and running.
TI-89 / TI-92 Plus / Voyage™ 200 PLT CellSheet™ App Page 4