ACUE (Association of College and University Educators) did a story on Cal State LA’s move to all online course delivery due to Covid-19. CSULA uses OpenStax OER textbooks paired with Querium’s Rover online math homework system to teach Precalculus. In Spring 2020, Querium released support for online timed exams to help CSULA deal with Covid-19. The article quotes three instructors who teach with Rover. CSULA has been using Rover since the summer of 2019.