Computer Geometry: Rep-Tiles with a Hole Christoph BandtDmitry Mekhontsev Article 28 August 2019 Pages: 1 - 5
Can the Elliptic Billiard Still Surprise Us? Dan ReznikRonaldo GarciaJair Koiller Mathematical Gems and Curiosities 12 December 2019 Pages: 6 - 17
Rectification of Circular Arcs by Linkages Robert DawsonPietro Milici Article 08 July 2019 Pages: 18 - 23
Mathematical Sightings at the Museum of Tomorrow Ma. Louise Antonette De Las Peñas The Mathematical Tourist 18 February 2020 Pages: 24 - 28
Digital Images Unveil Geometric Structures in Pairs of Relatively Prime Numbers Benjamín A. Itzá-OrtizRoberto López-HernándezPedro Miramontes Article 31 July 2019 Pages: 30 - 35
A Flowering of Mathematical Art Jim HenleCraig Kasper For Our Mathematical Pleasure 07 November 2019 Pages: 36 - 40
More on Croatian and Zagreb Mathematics Darko Veljan Mathematical Communities 11 September 2019 Pages: 49 - 54
Covering a Triangular Number with Pentagonal Numbers Günhan Caglayan Note 16 December 2019 Pages: 55 - 55
“Actual Accomplishments in This World”: The Other Students of Charlotte Angas Scott Jemma Lorenat Years Ago 04 March 2019 Pages: 56 - 65
The Role of History in the Study of Mathematics Harold M. Edwards Viewpoint 15 November 2019 Pages: 66 - 69
The Scottish Book. Mathematics from the Scottish Café, with Selected Problems from the New Scottish Book, second edition Edited by R. Daniel Mauldin Serge Tabachnikov Book Review 11 September 2019 Pages: 71 - 74
Giovanni Battista Guccia: Pioneer of International Cooperation in Mathematics by Benedetto Bongiorno and Guillermo P. Curbera Rossana Tazzioli Book Review 10 October 2019 Pages: 75 - 81
The Perfect Bet by Adam Kucharski Marco Alberto Javarone Book Review Open access 21 August 2019 Pages: 82 - 83
Mathematical Understanding of Nature: Essays on Physical Phenomena and Their Understanding by Mathematicians by V. I. Arnold, translated by Alexei Sossinsky and Olga Sipacheva Mark Levi Book Review 10 October 2019 Pages: 84 - 86
Mathematical Constants, Mathematical Constants II Osmo Pekonen Book Review Open access 09 September 2019 Pages: 87 - 88