Amazon.com: Texas Instruments Ti-89 Titanium Programmable Graphing Calculator, Case of 2 : Electronics
Amazon.com : Graphing Calculators Case for Texas Instruments TI-84 Plus/TI-83 Plus CE Color Calculator, Storage Holder for TI-89/for Casio fx-9750GIII for TI-30XS for Cables, Pens, Pencil -Blue(Box Only) : Office Products
TI-89 Graphing Calculator For Dummies by C. C. Edwards (2005-08-26): Amazon.com: Books
Graphing Calculator Guide for the TI-89: Cabral, Trish: 9780538493871: Amazon.com: Books
Amazon.com : Graphing Calculators Case for Texas Instruments TI-84 Plus/TI-83 Plus CE Color Calculator, Storage Holder for TI-89/ for Casio fx-9750GIII for TI-30XS for Cables, Pens, Pencil-Green(Box Only) : Office Products
Amazon.com : Aproca Hard Storage Travel Case, for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus/TI-89 Titanium/TI-85 / TI-86 Color Graphing Calculator : Office Products
Amazon.com : Graphing Calculators Case for Texas Instruments TI-84 Plus/TI-83 Plus CE Color Calculator, Storage Holder for TI-89/for Casio fx-9750GIII for TI-30XS for Cables, Pens, Pencil-White(Box Only : Office Products