1. Nonsense

   • Alexander Shen

   Letter 19 November 2015 Pages: 1 - 1

2. Letter to the Editor

   • Yaroslav D. Sergeyev

   Letter 25 November 2015 Pages: 2 - 3

3. Proof by Rotation

   • Paul Levrie

   Note 20 June 2015 Pages: 4 - 5

4. Morley’s Theorem Is No Longer Mysterious!

   • I. Gorjian
   • O. A. S. Karamzadeh
   • M. Namdari

   Viewpoint 25 November 2015 Pages: 6 - 7

5. Finance and Mathematics: Where is the Ethical Malaise?

   • Timothy C. Johnson

   Viewpoint 05 November 2015 Pages: 8 - 11

6. The Fundamental Theorem of Algebra: A Visual Approach

   • Daniel J. Velleman

   Article 05 November 2015 Pages: 12 - 21

7. Aftermath

   • Colin Adams

   Mathematically Bent 19 November 2015 Pages: 22 - 25

8. A Letter from Dieudonné

   • Paulo Ribenboim

   Mathematical Communities 25 November 2015 Pages: 26 - 29

9. Cognitive Bias and Claims of Quasiperiodicity in Traditional Islamic Patterns

   • Peter R. Cromwell

   Article 20 June 2015 Pages: 30 - 44

10. An Intelligencer Quiz on Gauss and Gaussian Legends

    • David E. Rowe

    Years Ago 04 November 2015 Pages: 45 - 47

11. Euler’s Lute and Edwards’s Oud

    • Vladimir Kanovei
    • Karin U. Katz
    • David Sherry

    Note 05 November 2015 Pages: 48 - 51

12. Euler’s Conception of the Derivative

    • Harold M. Edwards

    Note 23 October 2015 Pages: 52 - 53

13. What’s in YOUR Wallet?

    • Lara Pudwell
    • Eric Rowland

    Mathematical Gems and Curiosities 05 November 2015 Pages: 54 - 60

14. Mathematical Surprises in Maó-Mahón, Spain

    • Antonia Redondo Buitrago

    The Mathematical Tourist 05 November 2015 Pages: 61 - 68

15. Polynomial Pearl Necklaces

    • David Treeby

    Article 04 November 2015 Pages: 69 - 71

16. NSA and Dual EC_DRBG: Déjà Vu All Over Again?

    • Susan Landau

    Article 21 October 2015 Pages: 72 - 83

17. Getting Philosophical

    • Jim Henle

    Cucina Matematica 05 November 2015 Pages: 84 - 86

18. The Tower of Hanoi—Myths and Maths by A. Hinz, S. Klavžar, U. Milutinović, and C. Petr

    • Chris Sangwin

    Reviews 15 August 2015 Pages: 87 - 88

19. Paul Valéry: Cahiers/ Notebooks, Volume 4 translated by Norma Rinsler, Brian Stimpson, Rima Joseph, and Paul Ryan

    • Victor Pambuccian

    Reviews 15 August 2015 Pages: 89 - 90

20. The Siddhāntasundara of Jñānarāja: An English Translation with Commentary by Toke Lindegaard Knudsen

    • Jayant Shah

    Reviews 15 August 2015 Pages: 91 - 92

21. Experiencing Mathematics: What Do We Do, When We Do Mathematics? by Reuben Hersh

    • Sam Williams

    Reviews 15 August 2015 Pages: 93 - 95

22. Numericon by Marianne Freiberger and Rachel Thomas

    • Pamela Gorkin

    Reviews 07 July 2015 Pages: 96 - 96

23. An Invitation to Mathematics: From Competitions to Research edited by Dierk Schleicher and Malte Lackmann

    • Daniel S. Silver

    Reviews 15 August 2015 Pages: 97 - 99

24. Calculation

    • Robin Wilson

    Stamp Corner 15 July 2015 Pages: 100 - 100