This software in intended to be used to accompany the text written by Edwin F. Taylor, John A. Wheeler, and Edmund Bertschinger, EXPLORING BLACK HOLES. This book is availle online at The goal of this bookk is to offer a concise, directed examination of general relativity and black holes. Its goal was to provide tools that motivate students to become active participants in carrying out their own investigations about curved spacetime near Earth and black holes. To that end, the book used calculus and algebra, rather than tensors, to make general relativity accessible to second- and third-year students. The goal of this software is to provide an interactive visualation of the concepts presented in this book.