This 10ft ReadyPlug cable is guaranteed to work with the Texas Instruments TI-89 Titanium Graphing Calculator. The flexible design still allows you to roll it up and take it with you on the go. Providing both Data transfer and USB power to SYNC and Charge the Texas Instruments TI-89 Titanium Graphing Calculator. Simply plug into any USB port. The cable is protected from EMI/RFI interference with an outer foil shield, inner braid shield and twisted-pair composition to ensure performance. ~ ReadyPlug Lifetime Warranty ~