Here is a partial list of free and/or open-source textbooks. If you find one of these more helpful than another, please let me know. Also, take a peek at Rob Beezer’s selection on this page. Moreover, the American Institute of Mathematics maintains a list of approved open-source textbooks. Also, check out the free computer science books by Allen B. Downey (Olin College) at Green Tea Press. Downey’s Textbook manifesto is definitely worth reading.

Calculus

Differential Equations

Discrete Mathematics

Introduction to Proof

Linear Algebra

Combinatorics

Abstract Algebra

Real Analysis

Computing & Programming


Dana C. Ernst

Mathematics & Teaching

  Northern Arizona University
  Flagstaff, AZ
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Current Courses

  MAT 320: Foundations
  MAT 431: Analysis

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