Okay, These are TI-83 calculator programs I'll be designing.

Kinematics Programs for the TI-83

TI-84 programs in Basic and Axe

TI-83 programs for chemistry formulas

TI graphing calc variable packer

The first (useful) software I ever wrote. Calculator programs written between 2001 and 2005 on a TI-83 Plus.

Text to 8xp converter for the TI-82/83/84 (+/CE) graphing calculators

TI-83 calculator programming in Basic and HEX

A hobbyist Texas Instruments graphing calculator OS from the zeros

A TI-83 BASIC program builder/verifier

Complete repository for the TI Number Theory package

A repository of useful TI-BASIC scripts to handle common chemistry equations.

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

A respository of calculator programs for high school math courses. For use on TI-83/84/+/SE/CSE/CE calculators.

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.

An incomplete shoot 'em up game for the TI-83 and 84 calculators.

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

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.