arTIfiCE is a jailbreak for TI CE calculators with OS 5.5 and later. It brings back ASM programs and games. C library for Ti-84+CE and Ti-83 Premium CE calculators, that allows you to interface with ...
You can leave the TI graphing calculator at home thanks to this web-based TI-83 and TI-84 emulator. As with pretty much all emulators, this depends on a ROM image from the actual hardware to work.