Prelude (07/13/2019) I am keeping this post up for legacy reasons after Project Euler has requested that solutions to their problems be kept off of the public web. I had over 50 commented solutions posted on my website, so I’m sort of sad to have to take them away. Most links here are broken, except the common J code link, which I reuploaded as it has no solutions. Project Euler solutions in J I’d known of the existence of both Project Euler and J for a long while now, but for various rea...