In this post, I’ll explain how I compiled an OCaml program to run on a TI-84+ CE calculator. 🐪 Background OCaml is a somewhat niche functional language that I’ve enjoyed learning over the last couple of years. I’ve also been a calculator enthusiast since high school, working on projects like PineappleCAS. At the time, the calculator toolchain only supported C and (e)z80 assembly. Now, talented folks have set up a toolchain that leverages LLVM so you can program in C, C++, Rust, Zig, and others....