Coding Math
codingmath.com
codingmath.com
These are really useful. Whether we like it or not, mathematics underpins most of computer science and often beginners don't even know what to search for to get started. A resource like this is an excellent way to get somebody going.
Not that it's not a great idea, just a poor implementation of an "index".
https://www.patreon.com/codingmath?ty=h
He's helped me immeasurably through the years. I really liked his Sine wave stuff early on in that series.