ti-83-plus

A catalog of useful and optimized z80 routines!

An ESP8266-based WiFi modem for TI graphical calculators based on RetroWiFiModem

An Arduino (Ch55xduino) sketch for CH551 or CH552 MCUs that makes it possible to connect a TI calculator to a computer over USB.

Compiler/decompiler for TI-83 programs.

Game for the TI-83 plus/TI-84 plus calculators

A hobbyist Texas Instruments graphing calculator OS from the zeros

TI-82, TI-82 STATS, TI-83, TI-83 Plus & TI-84 Plus Programs & Resources

3D rendering for TI-83+

New internals for a TI-83 Plus graphing calculator

Send Python programs to TI calculators without TI-Connect CE

Beta is a text viewing program that runs on a Texas Instruments calculator. It is designed to view useful information during exams. Beta can also link to useful TI-BASIC programs.

Z80 assembler primarily designed for TI graphing calculators and the 8-bit Sega consoles.

An incomplete 3D engine for the TI-83 Plus series calculators based on BSP trees.

Drive a TI-83 Plus link port directly from Raspberry Pi GPIO. Send and receive .8xp programs, .8xg groups and Flash-archive variables over two wires - no SilverLink, no proprietary software.

A short, simple game written in TI-Basic.

TI NoteFolio (tm) text editor

Numerische Mathematik für TI-83 Plus und TI-84 Plus.

Flash ROM App to make the TI-83 Plus graphing calculator more user-friendly

Kinematics Programs for the TI-83

Headless TI-83+ tooling: boot a ROM, send files, install Flash apps, drive the UI by keystroke, read the screen as text, and trace instructions. Built on TilEm's core.