![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 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](https://external-preview.redd.it/imTyXRtytBUBCx-kqNUiSdumRYgghy6NdfH10Q-1M28.jpg?auto=webp&s=d57b591cf5b791f21f5e990a2da01ed9184251ef)
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
![The evolution of Graphic Calculators produced by Texas Instrument (TI) | Download Scientific Diagram The evolution of Graphic Calculators produced by Texas Instrument (TI) | Download Scientific Diagram](https://www.researchgate.net/publication/337795576/figure/fig1/AS:873566711058432@1585285942209/The-evolution-of-Graphic-Calculators-produced-by-Texas-Instrument-TI.png)
The evolution of Graphic Calculators produced by Texas Instrument (TI) | Download Scientific Diagram
![Texas Instruments TI 89 TI Graphing Calculator Large Screen Ultra Thin Portable AP Exam| | - AliExpress Texas Instruments TI 89 TI Graphing Calculator Large Screen Ultra Thin Portable AP Exam| | - AliExpress](https://ae01.alicdn.com/kf/S78029e5b46e14612b812c0874b7c23ebS/Texas-Instruments-TI-89-TI-Graphing-Calculator-Large-Screen-Ultra-Thin-Portable-AP-Exam.jpg_Q90.jpg_.webp)