Working through D&D.Sci, problem 2 (preface)

https://www.lesswrong.com/posts/ZGgLANjYrX4kDkKM9/working-through-d-and-d-sci-problem-2-preface

Link post This is part three of my series on working though D&D.Sci. This post is about choice of tools, installation, and setup.