## Free Algebra Ebooks

Below is a collection of free algebra ebooks that are downloadable. They include math ebooks on High School Algebra, Trigonometry, College Algebra, Linear Algebra, and Abstract Algebra.

Elementary Algebra and Trigonometry Ebooks

1. Advanced Algebra II: Conceptual Explanations by Kenny Felder
2. Advanced Algebra II: Activities and Homework by Kenny Felder
3. Algebra I by  CK-12 Foundation
4. CK-12 Trigonometry by Mara Landers and Brenda Meery
5. College Algebra by Carl Stitz and Jeff Zeager
6. Concepts of Algebra by Christopher Cooper
7. Elementary Mathematics by William Chen and Xuan Duong
8. Elementary Algebra by Christopher Cooper
9. Elementary Algebra by Denny Burzynski and Wade Ellis
10. Elementary Trigonometry by W. E. Paterson
11. Intermediate Algebra by Department of Mathematics, College of the Redwoods
12. Intermediate Algebra by John Blakely
13. Trigonometric Delights by  Eli Maor
14. Trigonometry by Michael Corral

Abstract and Linear Algebra

1. A First Course in Linear Algebra, by Rob Beezer.
2. A Second Semester of Linear Algebra by S. E. Payne
3. Abstract Algebra by John A. Beachy, William D. Blair
4. Abstract Algebra On Line by John A. Beachy, William D. Blair
5. Abstract Algebra: Theory and Applications by Thomas Judson
6. Abstract Algebra:The Basic Graduate Year by Professor Robert Ash
7. Algebra: Abstract and Concrete by Frederick M. Goodman
8. Elementary Linear Algebra, by Keith Matthews.
9. Elements of Abstract and Linear Algebra by  E.H. Connell
10. Linear Algebra and Jim Hefferon
11. Linear Algebra by Macquarie University
12. Linear Algebra and Matrices by Martin Fluch
13. Linear Algebra Done Wrong by Sergei Treil
14. Linear Algebra by Professor Jim Hefferon
15. Linear Algebra for Informatics and José Figueroa-O’Farrill
16. Linear Algebra: An Introduction to Linear Algebra for Pre-Calculus Students by Tamara A. Carter, Richard A. Tapia, Anne Papakonstantinou

Other Algebra Books

You may also want to check my Free Calculus Ebooks post.

One of the most useful websites I came across lately was the Wolfram Demonstrations Project.  The website contains a vast collection of Mathematica interactive worksheets called demonstrations. The demonstrations ranges from elementary science and mathematics up to graduate science and mathematics.

Below are links of compressed Mathematica demonstrations downloads.  Some of the files fall under more than one category, so there are duplicate files.

You will need Winace to extract the compressed files, and you will need the Mathematica Player to view the demonstrations.

If you are interested in Mathematica, Matthias Greiff has a collection of links here.

## The Best Free Math Tutorial Website

If I were to recommend a free mathematics tutorial website, I would definitely choose the Art of Problem Solving. The Art of Problem Solving is a website where students, teachers, mathematicians and math enthusiasts meet online to discuss problems in mathematics.  Shown below is the screenshot of their home page.

The most popular feature of the the Art of Problem Solving website is Art of Problem Solving Forum. I had a firsthand experience with the Art of Problem Solving Forum when I was still studying. Sometimes, I had to seek help for topics that I did not understand or a problem that I could not solve, and the Art of Problem Solving had really helped me a lot.

The reasons why I chose AOPS over other math help websites are listed below.

1. Quick Response. When you ask questions in other websites, it would probably take a long time for them to respond. AOPS Forum, on the other hand, has more than 74,000 members as of this writing.  Since there are many members around the world, there is a very good chance that your questions would be answered immediately.
2. Wide Variety of Topics. AOPS problems ranges from elementary school mathematics to college mathematics.  There are also sections for mathematics competitions such MathCounts, AMC and other well-known contests. College topics include calculus and real analysis, differential geometry, topology and linear algebra and many more.
3. Latex Support. AOPS supports latex coding unlike other websites. Latex is used to embed mathematical expressions such as $c = \sqrt{\displaystyle\frac{a^2 + b^2 + c^2}{3}} \geq \displaystyle\frac{a+b+c}{3}$ on websites, blogs and wikis. If you do not know about Latex, I have created a Latex tutorial here and here.
4. Lots of Problems. AOPS has 1, 673, 927 topics (or problem posts) as of this writing. There are also problem solving marathons (click here to see example) where one post contains hundreds of problems.
5. Own Wiki and Blogs. AOPS has its own wiki mostly contributed by users.  Many users have also registered their blogs in AOPS.
6. Online Math Classes. AOPS has free online classes called Math Jams where classes are conducted synchronously.
7. Math Contests Problem Archives. AOPS has archived mathematics competitions around the world. Some of the famous contests such as the International Mathematics Olympiad.

Art of Problem Solving also offers advanced mathematics online classes and they have published several books.

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