Texas Instruments TI-86 Graphing Calculator for sale online | 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
Technology in College Algebra - Fractions - TI-86 - YouTube
Ti-86 Calculator for Sale in Mesa, AZ - OfferUp
Texas Instruments | Other | Ti 86 Graphing Calculator | Poshmark