1. Long History of the Monge-Kantorovich Transportation Problem

   • A. M. Vershik

   Article 30 May 2013 Pages: 1 - 9

2. Challenges to the Assessment of Time-to-Proof of Mathematical Conjectures

   • Ryohei Hisano
   • Didier Sornette

   Viewpoint 28 June 2013 Pages: 10 - 17

3. Conway’s Wizards

   • Tanya Khovanova

   Mathematical Gems and Curiosities 23 February 2013 Pages: 18 - 20

4. Should We Revitalize the Maya Numerals?

   • Wolfgang Bietenholz

   Article 03 July 2013 Pages: 21 - 26

5. Leon Battista Alberti’s Bombard Problem in Ludi matematici: Geometry and Warfare

   • Kim Williams
   • Marco Giorgio Bevilacqua

   Article 03 October 2013 Pages: 27 - 38

6. Math is Everywhere

   • Colin Adams

   Mathematically Bent 12 October 2013 Pages: 39 - 42

7. On the Digits of π

   • P. D. Weidman

   Article 18 June 2013 Pages: 43 - 50

8. Who Linked Hegel’s Philosophy with the History of Mathematics? Hint: He Also Gave the Steiner Surface Its Name

   • David E. Rowe

   Years Ago 12 October 2013 Pages: 51 - 55

9. The Gallo-Roman Dodecahedron

   • Michael Guggenberger

   The Mathematical Tourist 03 October 2013 Pages: 56 - 60

10. Paper Pentasia: An Aperiodic Surface in Modular Origami

    • Robert J. Lang
    • Barry Hayes

    Article 03 October 2013 Pages: 61 - 74

11. Elegance

    • Jim Henle

    Cucina Matematica 16 August 2013 Pages: 75 - 77

12. In the␣Dark on␣the␣Sunny Side: A␣Memoir of␣an␣Out-of-Sight Mathematician by Larry W. Baggett

    • John J. Watkins

    Reviews 27 June 2013 Pages: 78 - 80

13. The Cult of Pythagorasby Alberto A. Martínez

    • Jeremy L. Martin

    Reviews 01 June 2013 Pages: 81 - 82

14. Visions of␣Infinity: The Great Mathematical Problems by Ian Stewart

    • Robert C. Gunning

    Reviews 27 June 2013 Pages: 83 - 84

15. Martin Gardner in the 21st Centuryby Michael Henle and Brian Hopkins (eds.)

    • John J. Watkins

    Reviews 03 July 2013 Pages: 85 - 86

16. L’Agrapheur: Intrigues Policières à Saveur Mathématique (Quick on the Draw: Crime Busting with a Mathematical Twist) by Alain Hertz (English translation by Andrea Zanin)

    • Marco Abate

    Reviews 13 August 2013 Pages: 87 - 88

17. Bridge to Abstract Mathematicsby Ralph W. Oberste-Vorth, Aristides Mouzakitis, and Bonita A. Lawrence

    • Timo Tossavainen

    Reviews 08 November 2013 Pages: 89 - 89

18. Islamic Mathematics 2

    • Robin Wilson

    Stamp Corner 03 May 2013 Pages: 90 - 90