1. Letters to the editor

   • D. L. Roth
   • Michael P. Cohen
   • Michael Reeken

   Department 09 January 2009 Pages: 5 - 6

2. The Numerical dysfunction

   • Neville Holmes

   Departments 09 January 2009 Pages: 7 - 11

3. German history experienced: My studies, my teachers

   • Horst Tietz

   Article 09 January 2009 Pages: 12 - 20

4. Into Thin Air

   • Colin Adams

   Department 09 January 2009 Pages: 21 - 22

5. Total Positivity: Tests and Parametrizations

   • Sergey Fomin
   • Andrei Zelevinsky

   Article 09 January 2009 Pages: 23 - 33

6. Exact thought in a demented time: Karl menger and his viennese mathematical colloquium

   • Marjorie Senechal
   • Louise Golland
   • Karl Sigmund

   Departments 09 January 2009 Pages: 34 - 45

7. The planiverse project: Then and now

   • A. K. Dewdney

   Article 09 January 2009 Pages: 46 - 51

8. Alphabetic magic square in a medieval Church

   • Dirk Huylebrouck
   • Aldo Domenicano
   • Istvân Hargittai

   Departments 09 January 2009 Pages: 52 - 53

9. A fourfold point of concurrence lying on the Euler line of a triangle

   • Michael Longuet-Higgins

   Article 09 January 2009 Pages: 54 - 59

10. Episodes in the Berlin-Göttingen Rivalry, 1870-1930

    • Jeremy Gray
    • David E. Rowe

    Department 09 January 2009 Pages: 60 - 69

11. Reviews

    • Jet Wimp
    • Marion Cohen
    • David Lee

    Department 09 January 2009 Pages: 70 - 76

12. Renaissance Art

    • Robin Wilson
    • Florence Fasanelli

    Department 09 January 2009 Pages: 80 - 80