Best Buy: Texas Instruments TI-84 Plus Graphing Calculator 84+SEC IN BLUE
Amazon.com : co2CREA Hard Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-Nspire CX II CAS/TI-Nspire CX II/TI-83 Plus/TI-89 Titanium/ TI-85 / TI-86 Color Graphing Calculator : Office Products
Texas Instruments TI-85 Graphing Calculator with cover and battery door, tested | eBay