Learn stuff with pen and paper + an AI tutor.

Using pen and paper to actually solving problems is a very effective way for me to learn. It might be for you as well, and if so you might like Ari.

I recommend setting up a camera above your page, I have this one, it works great.

You can then chat with Ari about what you want to learn and it will create a curriculum for you with exercises to work through.

You can ask questions while you work and when you’re done, just ask it to grade your work. It can always see what you are writing.

I’ve had great success doing math and physics this way!

Ari runs locally right now, which allows you to use your codex subscription. I’ve been using that with Astra (today Anthropic doesn’t let you use your subscription for non-official clients).

I recommend just pointing your AI to this repo and ask it to set it all up for you.

Graphs

Ari draws interactive 2D and 3D graphs in its replies, lessons and exercises. It writes a small text block and the app renders it as a live plot: drag the sliders, orbit a surface or edit the expressions, then ask Ari about your changes. It receives your version of the…