A quick search for the PDF will yield many results. However, it is vital to support the author who has given so much to the open education community.
The Official Route: The book is published by Wellesley-Cambridge Press. If you are serious about learning, purchasing the physical copy is worth it—Strang’s books are known for being durable, well-bound, and excellent for margin notes. Linear Algebra For Everyone Pdf Github
The Digital Route: While unofficial PDFs float around the web, always be cautious of malware on "free ebook" sites. For a safe, free, and legal supplement, you don't actually need the PDF immediately—you need the MIT OpenCourseWare (OCW) resources. The OCW website for Strang's courses provides lecture notes, problem sets, and exams that often mirror the book content for free. A quick search for the PDF will yield many results
Why GitHub? For the uninitiated, GitHub is a code repository used by developers to share software. But it has also become an unexpected archive for educational PDFs. A search for the title reveals numerous repositories, gists, and user-contributed pages offering downloadable PDFs of LAFE. Why GitHub
There are three main reasons for this:
User: Various contributors
Content: This is not the book itself, but a collection of Python (NumPy) implementations of every major algorithm in Strang’s Linear Algebra for Everyone.