Solution 12052: Compatibility of the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
How compatible are the TI-89 family, TI-92 family, and Voyage 200 graphing calculators?
Most original TI-92 specific functionality will transfer back and forth between the TI-89, TI-89 Titanium, TI-92, TI-92 Plus and Voyage 200. Advanced Mathematics Software-specific functionality and some data types from the newer, Flash-enabled units will not run when sent to the original, non-Flash TI-92. However, most functions, programs, and data sets can be shared between platforms.
Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information.