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  • Statistics

    David Freedman, Robert Pisani, Roger Purves

    Fourth International Student Edition


    Renowned for its clear prose and no-nonsense emphasis on core concepts, Statistics covers fundamentals using real examples to illustrate the techniques.

  • Div, Grad, Curl, and All That: An Informal Text on Vector Calculus

    H. M. Schey

    Fourth Edition


    This new fourth edition of the acclaimed and bestselling Div, Grad, Curl, and All That has been carefully revised and now includes updated notations and seven new example exercises.