# Attribution

This course was written for one learner's personal study. Explanations, worked examples, practice problems, quizzes, and
mock tests are original, written for this course. Some are modeled on the topics and the order of the OpenStax books below.

## OpenStax textbooks (CC BY 4.0)

- **Elementary Algebra 2e**, Lynn Marecek, MaryAnne Anthony-Smith, Andrea Honeycutt Mathis. OpenStax, Rice University.
  https://openstax.org/details/books/elementary-algebra-2e
- **Intermediate Algebra 2e**, Lynn Marecek, Andrea Honeycutt Mathis. OpenStax, Rice University.
  https://openstax.org/details/books/intermediate-algebra-2e
- **College Algebra 2e**, Jay Abramson. OpenStax, Rice University.
  https://openstax.org/details/books/college-algebra-2e

License: Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/).
"Access for free at openstax.org." The PDFs in `references/pdfs/` are unmodified copies downloaded from
assets.openstax.org on Oct 20, 2026. Lessons link to the matching online sections. Short definitions in the glossary
are paraphrased from these books.

## Other links

Khan Academy, SLCC, and community sites are linked, not copied.

## Software

KaTeX 0.19.0 (MIT license), vendored in `assets/katex/` (see `assets/katex/LICENSE`).