This is an ongoing project by Jason Nowell (and other contributers TBA) to convert the differential equations book (https://sites.rutgers.edu/matthew-charnley/course-materials/differential-equations-an-introduction-for-engineers/) developed by Matt Charnley (https://sites.rutgers.edu/matthew-charnley/people/matt-charnley/) (et. al.) into an interactive Ximera/Xronos online website/document for OER use. This online edition preserves the open commons license and is free to use/access/copy for educational use. (Creative Commons Attribution-Noncommercial-Share Alike 4.0 International License and the Creative Commons Attribution-Share Alike 4.0 International License.) The latest online version can be found here: https://xronos.clas.ufl.edu/map2302ufobackup/MAP2302book-full