Contributions of all kind are welcome, from bug reports and suggestions for improvements to new material.
- All contributors must abide by our Code of Conduct.
- By submitting a pull request, you agree that your contribution can be reshared under the CC-BY-SA License.
- If you want to report an error, ask a question, or make a suggestion, please file an issue in the repository. You need to have a GitHub account in order to do this, but do not need to know how to use Git.
- If your material is incorporated, we will add you to the acknowledgments unless you request otherwise.