1. Phase Portraits of Hyperbolic Geometry

   • Scott B. Lindstrom
   • Paul Vrbik

   Article 16 April 2019 Pages: 1 - 9

   

2. Doing Math in Jest: Reflections on Useless Math, the Unreasonable Effectiveness of Mathematics, and the Ethical Obligations of Mathematicians

   • Gizem Karaali

   Viewpoint 08 March 2019 Pages: 10 - 13

3. The Basel Problem: A Physicist’s Solution

   • Zurab K. Silagadze

   Article 04 June 2019 Pages: 14 - 18

4. My Undercover Mission to Find Cairo Tilings

   • Frank Morgan

   The Mathematical Tourist 01 July 2019 Pages: 19 - 22

   

5. The Euclidean Domain

   • David Kramer

   Poem 27 March 2019 Pages: 23 - 23

6. A Straightforward Proof of Descartes’s Circle Theorem

   • Paul Levrie

   Article 15 April 2019 Pages: 24 - 27

   

7. A Mathematical Art

   • Jim Henle

   For Our Mathematical Pleasure 08 March 2019 Pages: 28 - 32

   

8. Are Induction and Well-Ordering Equivalent?

   • Lars–Daniel Öhman

   Article Open access 06 May 2019 Pages: 33 - 40

   

9. Cylindra Ella

   • Colin Adams

   Mathematically Bent 27 March 2019 Pages: 41 - 43

10. Mihailo Petrović Alas: Mathematician and Master Fisherman

    • Vesna Todorčević
    • Marija Šegan-Radonjić

    Article 28 May 2019 Pages: 44 - 50

    

11. The Bread Crumbs of Proof

    • Gizem Karaali

    Poem 11 March 2019 Pages: 51 - 51

12. A Refugee Scholar from Nazi Germany: Emmy Noether and Bryn Mawr College

    • Qinna Shen

    Article 07 March 2019 Pages: 52 - 65

    

13. Too Many Hats

    • Rob Pratt
    • Stan Wagon
    • Piotr Zieliński

    Mathematical Gems and Curiosities 16 May 2019 Pages: 66 - 71

    

14. Modeling a Hypothetical Zombie Outbreak Can Save Us from Real-World Monsters

    • João Paulo A. de Mendonça
    • Leonardo M. V. Teixeira
    • Lohan R. N. Ferreira

    Article 25 April 2019 Pages: 72 - 79

    

15. Humanizing Mathematics and Its Philosophy: Essays Celebrating the 90th Birthday of Reuben HershEdited by Bharath Sriraman

    • John J. Watkins

    Book Review 29 April 2019 Pages: 80 - 81

16. Measured Words: Computation and Writing in Renaissance Italy by Arielle Saiber

    • Raffaele Pisano

    Book Review 29 April 2019 Pages: 82 - 86

17. Weird Math: A Teenage Genius & His Teacher Reveal the Strange Connections Between Math & Everyday Life by David Darling and Agnijo Banerjee

    • Christopher S. Brownell

    Book Review 09 April 2019 Pages: 87 - 88

18. Imagine Math 6: Between Culture and Mathematicsedited by Michele Emmer and Marco Abate

    • Andrew J. Simoson

    Reviews 09 April 2019 Pages: 89 - 90

19. Women in Mathematics: Celebrating the Centennial of the Mathematical Association of America by Janet L. Beery, Sarah J. Greenwald, Jacqueline A. Jensen-Vallin, and Maura B. Mast (eds.)

    • Mary W. Gray

    Book Review 22 May 2019 Pages: 91 - 92

20. Before Voltaire: The French Origins of “Newtonian” Mechanics 1680–1715 by J. B. Shank

    • Tony Crilly

    Book Reviews 25 June 2019 Pages: 93 - 96

21. Non-Centrifugal Mathematics

    • Lee Goldstein

    Poem 23 April 2019 Pages: 97 - 97

22. The Nature of Light

    • Robin Wilson
    • Dr Keith Hannabuss

    Stamp Corner 28 May 2019 Pages: 98 - 98