Mathematics magazine

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  Año 2006, Vol. 79, Número 1

  • A Bent for Magic

    Paul C. Pasles

    págs. 3-13

    

  • Packing Boxes with Bricks

    T. S. Michael, Richard J. Bower

    págs. 14-30

    

  • A New Model for Ribbons in ...³

    Tom Farmer

    págs. 31-43

    

  • Proof Without Words: Every Fourth Power Greater than One Is the Sum of Two Nonconsecutive Triangular Numbers

    Roger B. Nelsen

    pág. 44

    

  • Another Step Further¿ On a Problem of the 1988 IMO

    Lajos Pinter, Gabriella A. Pinter, István G. Laukó

    págs. 45-53

    

  • Proof Without Words: Padoa's Inequality (Alessandro Padoa, 1868-1937)

    Roger B. Nelsen

    pág. 53

    

  • The Cross Ratio Is the Ratio of Cross Products!

    Leah Wrenn Berman, Bradley James Molnar, Gordon Ian Williams

    págs. 54-59

    

  • Proof Without Words: Right Triangles and Geometric Series

    Roger B. Nelsen

    pág. 60

    

  • The Euler-Maclaurin Formula and Sums of Powers

    Michael Z. Spivey

    págs. 61-65

    

  • Proof Without Words: Inclusion-Exclusion for Triangular Numbers

    Roger B. Nelsen

    pág. 65

    

  • Disjoint Pairs with Distinct Sums

    Gerhard J. Woeginger

    págs. 66-74

    

  • REVIEWS

    Paul J. Campbell

    pág. 75

    

  • 66th Annual William Lowell Putnam Mathematical Competition

    págs. 76-81