A Hidden Orthogonal Latin Square in a Work of Euler from 1770 Nicola OswaldJörn Steuding Years Ago 06 January 2020 Pages: 23 - 29
Polygon Offsetting with Squares Erected on Its Sides Alexander BelyaevPierre-Alain Fayolle Mathematical Gems and Curiosities Open access 23 July 2020 Pages: 38 - 41
Dedekind-like Manya Sundström (text)Mattias Marklund (photo) Poem Open access 29 October 2020 Pages: 42 - 43
The Development of Mathematical Research in Vietnam at a Glance Lê Tuấn Hoa Mathematical Communities 06 August 2020 Pages: 50 - 58
Poincaré Tries to Explain His Discovery of the Fuchsian Groups Kathryn Weld Poem 13 October 2020 Pages: 59 - 59
Karl Weierstraß: A Westphalian Mathematician Karl-Goswin Große Erdmann The Mathematical Tourist 04 November 2020 Pages: 60 - 63
Math for Grades 1 to 5 Should Be Art Jim Henle For our Mathematical Pleasure 07 May 2020 Pages: 64 - 69
Exercises in (Mathematical) Style: Stories of Binomial Coefficients by John McCleary John J. Watkins Book Review 13 August 2020 Pages: 82 - 83
Dirichlet: A Mathematical Biography by Uta C. Merzbach Robin Wilson Book Review 11 September 2020 Pages: 84 - 86
Board Games: Throughout the History and Multidimensional Spaces by Jorma Kyppö Albrecht Heeffer Book Review 31 July 2020 Pages: 87 - 88
Computing: The 1940s and 1950s Robin WilsonMartin Campbell-Kelly Stamp Corner 09 October 2020 Pages: 92 - 92