I spent months learning d3js in my spare time, experimenting with plotly.js, hacking things together to try to make good looking interactive math demos for my c

I spent months learning d3js in my spare time, experimenting with plotly.js, hacking things together to try to make good looking interactive math demos for my crappy amateur React website -- and then just as I have things all mostly working you release this tool that has everything I wanted. I'm furious. Beautiful work.