| Button | Meaning |
|---|---|
 | Bold |
 | Italics |
 | Underline |
 | Strikethrough |
| "Quick Math" button. Converts selected text into a math element. Use to create simple equations. (For more complex equations, use the Math Editor.) | |
 | Subscript |
 | Superscript |
 | Text color |
| Text shading | |
| Formatting options, such as Paragraph or Heading | |
| Font size selector | |
 | Bulleted list |
 | Numbered list |
| Definition List | |
| Text alignment buttons. In order: left, center, right, justified | |
 | Decrease indent |
 | Increase indent |
 | Blockquote |
 | Insert special character |
| Insert emojis | |
| Insert/edit hyperlink | |
| Delete hyperlink | |
 | Page break |
 | Insert table |
 | Math Editor |
| Insert Image | |
| Image Gallery | |
| Insert video | |
| Embed Interactive | |
| Insert template, such as an element box (An element box is a centered gray box in the Flexbook®, often used to draw the reader's attention.) | |
 | Horizontal line |
 | Undo |
 | Redo |
 | Full-screen mode |
| Source Code | |
| Preview contents as they'd appear after saving. (Including interactive elements.) |
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