Ask HN: What is needed to replicate the Sal Khan ChatGPT-4o trig demo?

6 points by replyifuagree 2y ago ↗ HN

Video for reference: https://www.youtube.com/watch?v=_nSmkyDNulk

I'd like to replicate, it looked like hardware-wise an iPad and a stylus is needed.

Has anyone else replicated and can share some tips?