# Math e-Books for \$0

By Murray Bourne, 29 Aug 2011

Most of the following free (or low cost) math e-books are PDF versions of ordinary math books.

You probably won't find your assigned text book here, but you'll find something that is pretty close. And for the millions of keen students who cannot afford the high price of math text books, this will be a valuable list.

Copyright information: It's not clear if copyright permission has been granted in some of these collections. In some cases, the business model involves advertising throughout the book (but the quality tends to be higher). In Google Books' case, for many of the books, they've been given permission to show selected pages only.

## Project Gutenberg

As their introduction says:

Project Gutenberg offers over 36,000 free ebooks to download to your PC, Kindle, Android, iOS or other portable device. Choose between ePub, Kindle, HTML and simple text formats. We carry high quality ebooks: All our ebooks were previously published by bona fide publishers.

Google wanted to digitize every book in the world, but not surprisingly, they ran up against copyright issues. Many of these books are not complete, but can still be very useful for that nugget of information you're looking for.

You can also search on specific math topics, like:

## BookBoon

BookBoon Mathematics (bookboon.com)

BookBoon has re-published each book with advertising throughout.

## Futuretg

Some of the PDFs are of books which are clearly in the public domain (the author passed away more than 70 years ago), but it appears some are not out of copyright yet.

[Futuretg is a strange quasi-religious site - which has since disappeared.]

## e-books Directory

Math category e-books Directory (e-booksdirectory.com)

This contains links to various public domain math resources.

## Mathandmultimedia

Great list of math books from Mathandmultimedia.com:

## e-Book Browse

Math e-books (ebookbrowse.com)

This looks promising, but you need to register and pay per month (or there's a "lifetime" option).

I hope you find something useful in the above collections!

[Hat-tip to Math24x7 for some of the above resources.]

Don't miss my earlier article: Free mathematics books.

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### Comment Preview

HTML: You can use simple tags like <b>, <a href="...">, etc.

To enter math, you can can either:

1. Use simple calculator-like input in the following format (surround your math in backticks, or qq on tablet or phone):
a^2 = sqrt(b^2 + c^2)
(See more on ASCIIMath syntax); or
2. Use simple LaTeX in the following format. Surround your math with $$ and $$.
$$\int g dx = \sqrt{\frac{a}{b}}$$
(This is standard simple LaTeX.)

NOTE: You can mix both types of math entry in your comment.

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