Related DatabasesWeb of Science You must be logged in with an active subscription to view this.Article DataHistorySubmitted: 20 September 2019Accepted: 07 April 2020Published online: 06 May 2021Keywordsrotations, linear algebra, classroom communicationAMS Subject Headings97H60, 54H15, 15A04Publication DataISSN (print): 0036-1445ISSN (online): 1095-7200Publisher: Society for Industrial and Applied MathematicsCODEN: siread