Yarnacle
Features: - Press the enter key to submit questions (instead of clicking the submit button) - Live KaTeX preview of mathematical expressions (instead of opening the preview window) - Automatically focus a text field after submission - Instant scrolling after submission - Disable "Enter ..." tooltips below text fields NOTE: This extension is only tested to work for AP Physics! If the extension is causing problems, click the icon to disable it and consider reporting the issue on GitHub.