Artwork in the style of Mark Rothko
Random Rothko-style blocks, but a spreadsheet could generate these.

Digital tally marks beat typing numbers for rapid counting when you need visual verification.
People who need quick, visual counting without typing numbers
Counter+ · Tally Counter · Notes app
So I quickly built this app, it does what it says on the tin and keeps the feel of tally marks on paper.
I hope someone else will find some use in it too :)
Random Rothko-style blocks, but a spreadsheet could generate these.
Clojure REPL that actually matches the reMarkable's handwritten input paradigm.
Beautiful nostalgia project for code history, but static exhibits lack interactive depth or learner tools.
Handwriting OCR for WiFi cards, but Google Lens already does this for free.
Math OCR that preserves derivation structure, not just transcription—solves a real student pain.
Single-file C++ ANS kernel beats wrestling with zstandard for quantized data.