BetterExplained is a ridiculously awesome website for intuitive explanations of complicated maths concepts (that most of us pretend to understand but secretly don't). It's a really well-loved site (gets posted to hn every couple of months -- typical top comment: "This site is a hidden gem on the internet. This guy deserves a lot more credit") and is all the work of one guy, Kalid, who writes it as a side project. It's really important to him that the site stays free for anyone to access, but he finally agreed to start a Patreon so that those of us who want to support him can tip a little something in his hat. Personally I'm hoping that if enough of us donate he will eventually quit his day-job and write full-time, but in any case it's nice to be able to show some appreciation for one of the best & friendliest educational resources out there. I don't think he's promoting the Patreon at all so I just wanted to share it here for others who feel the same.