The site appears to be struggling, but you can view the Coding Math videos on YouTube [1].<p>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.<p>[1]: <a href="https://www.youtube.com/user/codingmath/videos" rel="nofollow">https://www.youtube.com/user/codingmath/videos</a>