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Free math/stat textbooks: Seltman's Experimental Design   Legler and Roback's Broadening Your Statistical Horizons (BYSH): Generalized Linear Model and Multilevel Models    Beezer's Linear Algebra      Grinstead & Snell's Intro to Probability   Gray's Probability, Random Processes, and Ergodic Properties   Strang's Calculus   Trench's Elementary Differential Equations Trench's Real Analysis (and others)   Zakon's Mathematical Analysis   Cain's Complex Analysis   Petersen's Matrix Codebook (pdf)   Kaw's Numeric Analysis

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All links active 1/23/2015. Please report missing links to