<div>This volume contains eleven papers that have been collected by the Canadian Society for History and Philosophy of Mathematics/Société canadienne d’histoire et de philosophie des mathématiques. It showcases rigorously-reviewed contemporary scholarship on an interesting variety of topics in the history and philosophy of mathematics, as well as the teaching of the history of mathematics. Topics considered include</div><div><ul><li>The mathematics and astronomy in Nathaniel Torperly’s only published work, <i>Diclides Coelometricae, seu valvae astronomicae universal</i></li><li>Connections between the work of Urbain Le Verrier, Carl Gustav Jacob Jacobi, and Augustin-Louis Cauchy on the algebraic eigenvalue problem</li><li>An evaluation of Ken Manders’ argument against conceiving of the diagrams in Euclid’s <i>Elements</i> in semantic terms</li><li>The development of undergraduate modern algebra courses in the United States</li><li>Ways of using the history of mathematics to teach the foundations of mathematical analysis</li></ul></div><div>Written by leading scholars in the field, these papers are accessible not only to mathematicians and students of the history and philosophy of mathematics, but also to anyone with a general interest in mathematics.<br></div>