Texas Instruments TI‑82 Graphing Calculator Link Cable Tested 1991 Scratch READ!

Vintage Texas Instruments TI‑82 graphing calculator, copyright 1991, with original slide‑on cover and 2.5 mm calculator‑to‑calculator link cable included. Unit powers on and the screen, keys, and link port all function (batteries not included); battery compartment is clean with no corrosion, and the plastic housing shows cosmetic wear, scratches, a crack at the case seam, and a previous owner’s name on the back as shown in photos. Great for retro tech collectors, students who prefer the classic TI‑82 layout, or hobbyists who want an inexpensive graphing calculator for experimenting and linking. Features: Texas Instruments TI‑82 graphing calculator, made in Taiwan. Includes hard slide cover and 2.5 mm link cable (two‑ended). Clean battery compartment, uses 4×AAA plus CR1616/CR1620 backup cell (not included).​ Tested to power on; keys and display respond to input (sold as‑is for further testing). Cosmetic wear: scratches, crack/separation on side seam, and name etched/written on back. Classic Z80‑based TI graphing calculator, discontinued model. Approximate age: TI‑82 was introduced around 1993; this example is marked 1991 copyright and is an early‑1990s model, making it roughly 30+ years old. Keyword tags: ti 82 calculator - Texas Instruments - graphing calculator - vintage ti 82 - retro electronics - math student tool - engineering calc - scientific calc - school supplies - college algebra - calculator cable - ti link cable - 90s electronics - retro gadget