TOSEC: Texas Instruments TI-86 (2012-04-23) : Free Download, Borrow, and Streaming : Internet Archive
Texas Instruments TI-86 | IT History Society
Vintage TI-86 Graphing Calculator
Ti 86 Graphing Calculator, Hobbies & Toys, Books & Magazines, Textbooks on Carousell
Texas Instruments Ti-86 Graphing Calculator | Fabricating and Metalworking
texas instrument calculator ti 86 | eBay
Not the most retro calculator out there, but the TI-86 is my favorite TI graphing calculator. I've still got all my games and stuff from high school (20+ years ago!) and I