1. Digits of Pi

   • Anthony M. J. Davis

   Note 15 January 2015 Pages: 1 - 3

2. The Olympic Medals Ranks, Lexicographic Ordering, and Numerical Infinities

   • Yaroslav D. Sergeyev

   Note 01 January 2015 Pages: 4 - 8

3. The Mean-Value Property

   • Vilmos Totik

   Article 22 January 2015 Pages: 9 - 16

4. A Prisoner’s Dilemma

   • Colin Adams

   Mathematically Bent 11 March 2015 Pages: 17 - 19

5. Rock-Paper-Scissors Meets Borromean Rings

   • Marc Chamberland
   • Eugene A. Herman

   Article 25 December 2014 Pages: 20 - 25

6. Erratum to: Rock-Paper-Scissors Meets Borromean Rings

   • Marc Chamberland
   • Eugene A. Herman

   Erratum 23 April 2015 Pages: 26 - 26

7. On the Eisenstein Packing of the Complex Plane

   • Gilbert Helmberg

   Article 13 January 2015 Pages: 27 - 33

8. An Analog of Bing’s House in a Higher Dimension

   • Tony Bedenikovic

   Article 25 December 2014 Pages: 34 - 42

9. Stacking Wine Bottles Revisited

   • Burkard Polster

   Mathematical Gems and Curiosities 12 March 2015 Pages: 43 - 51

10. African Dance Rattles and Plaiting Polyhedra: A Journey

    • Paulus Gerdes

    Article 17 April 2015 Pages: 52 - 61

11. What Are Models For? Alexander Crum Brown’s Knitted Mathematical Surfaces

    • David E. Dunning

    Years Ago 23 October 2014 Pages: 62 - 70

12. Training Women in Mathematical Research: The First Fifty Years of Bryn Mawr College (1885–1935)

    • Karen Hunger Parshall

    Article 20 May 2015 Pages: 71 - 83

13. Less is More, More or Less

    • Jim Henle

    Cucina Matematica 19 May 2015 Pages: 84 - 87

14. Mathematically Surprising Seoul

    • Antonia Redondo Buitrago
    • Judy Holdener
    • Marie Snipes

    The Mathematical Tourist 15 May 2015 Pages: 88 - 92

15. Space, Time and Number in the Brain: Searching for the Foundations of Mathematical Thought edited by Stanislas Dehaene and Elizabeth Brannon

    • Carlos Montemayor
    • Rasmus Grønfeldt Winther

    Reviews 11 March 2015 Pages: 93 - 98

16. Nonlinear Climate Dynamics by Henk A. Dijkstra

    • Christopher K. R. T. Jones

    Reviews 16 January 2015 Pages: 99 - 100

17. Mathematics and Climate by Hans Kaper and Hans Engler

    • Henk A. Dijkstra

    Reviews 16 May 2015 Pages: 101 - 102

18. L. E. J. Brouwer—Topologist, Intuitionist, Philosopher: How Mathematics is Rooted in Life by Dirk van Dalen

    • Craig Smoryński

    Article 25 December 2014 Pages: 103 - 107

19. Elements of Logical Reasoning by Jan von Plato

    • Henry Towsner

    Reviews 22 April 2015 Pages: 108 - 109

20. A Century of Astronomy

    • Robin Wilson

    Stamp Corner 07 May 2015 Pages: 110 - 110