1. Osmo Pekonen (1960–2022)

   • Johan Stén
   • Timo Tossavainen

   In Memoriam 27 February 2023 Pages: 1 - 4

   

2. Will Others Now Commit Luzin’s “Sin”?

   • Istvan Hargittai

   Letter to the Editors Open access 06 December 2022 Pages: 5 - 6

   

3. Why Did Hertha Ayrton Not Become the First Female Fellow of the Royal Society?

   • Magdolna Hargittai

   Letter to the Editors Open access 01 December 2022 Pages: 7 - 7

   

4. Is Pluralism in the History of Mathematics Possible?

   • Jacques Bair
   • Alexandre Borovik
   • Mark van Atten

   Letter to the Editors 21 January 2023 Pages: 8 - 8

5. Counting Clean Triangles

   • Mizan R. Khan
   • Riaz R. Khan

   Article 19 April 2022 Pages: 9 - 15

   

6. Piracy

   • Colin Adams

   Mathematically Bent 01 June 2022 Pages: 16 - 18

7. Conway’s Dream

   • Sam Vandervelde

   Article 06 May 2022 Pages: 19 - 21

   

8. Conway’s Nightmare: Brahmagupta and Butterflies

   • Richard Evan Schwartz

   Article 04 June 2022 Pages: 22 - 24

   

9. Xu Guangqi in Shanghai

   • Meiyu Qu
   • Zhuoqun Hu
   • Pengfei Liu

   Mathematical Tourist 18 January 2023 Pages: 25 - 30

   

10. Networks of Twin Peaks: The Dale Cooper Effect

    • Harun Siljak

    Article Open access 01 June 2022 Pages: 31 - 37

    

11. Dissecting a Star of David into Polygonal Numbers

    • Günhan Caglayan

    Note 05 October 2022 Pages: 38 - 41

    

12. Steps Toward a Philosophy for Mathematicians

    • Jens Erik Fenstad

    Article Open access 10 August 2022 Pages: 42 - 49

13. Shadow Sequences of Integers: From Fibonacci to Markov and Back

    • Valentin Ovsienko

    Mathematical Gems and Curiosities 24 March 2022 Pages: 50 - 54

    

14. The Many Apportionment Paradoxes of the 2020 Iowa Democratic Presidential Caucuses

    • David McCune

    Article 12 July 2022 Pages: 55 - 63

15. A Mathematical Snapshot: The University of Rochester, 1933–1936

    • Karen Hunger Parshall

    Years Ago 17 February 2023 Pages: 64 - 70

    

16. Bertrand’s Problem in Making a Face Mask

    • Xianan Qin
    • Mingyi Chen

    Note 04 August 2022 Pages: 71 - 72

    

17. Turning the Table: A Conversation with István Hargittai

    • Marjorie Senechal

    Mathematical Communities 27 January 2023 Pages: 73 - 77

    

18. Philosophy of Mathematics: Classic and Contemporary Studies

    • Firdous Ahmad Mala

    Review 10 May 2022 Pages: 79 - 81

    

19. Uncountable: A Philosophical History of Number and Humanity from Antiquity to the Present

    • Andrew J. Simoson

    Review 26 April 2022 Pages: 82 - 84

    

20. In Pursuit of Zeta-3

    • Andrew Simoson

    Review 14 May 2022 Pages: 85 - 87

    

21. Chance, Logic and Intuition: An Introduction to the Counter-Intuitive Logic of Chance

    • Floske Spieksma

    Book Review 25 July 2022 Pages: 88 - 89

    

22. Number Theory 2

    • Robin Wilson

    Stamp Corner 24 March 2022 Pages: 90 - 90