1. Addendum to “A Hyperbolic View of the Seven Circles Theorem”

   • Kostiantyn Drach
   • Richard Evan Schwartz

   Brief Report Open access 28 January 2023 Pages: 91 - 91

2. Triangles & Princesses & Bears, Oh My!

   • David L. Duncan

   Article 20 October 2022 Pages: 92 - 103

   

3. Gulag

   • Colin Adams

   Mathematically Bent 12 October 2022 Pages: 104 - 107

4. Incommensurability, the Heptagon of Ignacio Muñoz (1684), and Kepler’s Heresy

   • Josep Lluis i Ginovart
   • Cinta Lluis-Teruel

   Article 28 January 2023 Pages: 108 - 117

   

5. The Ubiquitous Apéry Number

   • Paul Levrie

   Note 28 November 2022 Pages: 118 - 119

6. Navigating the Negative Curvature of Google Maps

   • Yuliy Baryshnikov
   • Robert Ghrist

   The Factotum 08 May 2023 Pages: 120 - 125

   

7. F Things You (Probably) Didn’t Know About Hexadecimal

   • Lloyd Strickland
   • Owain Daniel Jones

   Article Open access 18 August 2022 Pages: 126 - 130

   

8. A Simple Formula for Doomsday

   • Hirofumi Nakai

   Note Open access 02 December 2022 Pages: 131 - 132

9. Toric Quasifolds

   • Elisa Prato

   Article Open access 27 September 2022 Pages: 133 - 138

   

10. The Artistic, Algebraic, and Severe “Russian” Genius Arthur Cayley

    • Jemma Lorenat

    Years Ago Open access 20 May 2023 Pages: 139 - 143

    

11. “Decolonization” of the Curricula

    • Alexandre Borovik

    Viewpoint 24 March 2023 Pages: 144 - 149

    

12. A Mathematician Reads the Kalam Cosmological Argument

    • Timothy Y. Chow

    Article 10 December 2022 Pages: 150 - 158

13. Finite Gauss Transformations

    • Maxim Arnold
    • Anatoly Eydelzon

    Mathematical Gems and Curiosities 29 August 2022 Pages: 159 - 164

    

14. A Simple Sum for Simplices

    • Christian Aebi
    • Grant Cairns

    Article Open access 21 July 2022 Pages: 165 - 167

    

15. Dropping Bodies

    • Richard Montgomery

    Article Open access 07 February 2023 Pages: 168 - 174

    

16. Conditional Life Expectancy

    • Josh Hiller

    Poem/Fiction 17 April 2023 Pages: 175 - 176

17. Emmy Noether Steps Onstage: Her Place in Mathematical Communities, Past and Present

    • David E. Rowe

    Mathematical Communities Open access 04 February 2023 Pages: 177 - 181

    

18. What Are the Chances of That? How to Think About Uncertainty by Andrew C. A. Elliot

    • Olle Häggström

    Book Review 28 July 2022 Pages: 183 - 185

    

19. Irrationality and Transcendence in Number Theory by David Angell

    • Andrew J. Simoson

    Review 10 August 2022 Pages: 186 - 189

    

20. The Doctrine of Triangles: A History of Modern Trigonometry by Glen Van Brummelen

    • Daniel Mansfield

    Book Review 26 August 2022 Pages: 190 - 191

    

21. Srinivasa Ramanujan

    • Firdous Ahmad Mala
    • Robin Wilson

    Stamp Corner 08 September 2022 Pages: 192 - 192