Hub 4 Mech
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Step-by-step guides for using Hub 4 Mech.

The editor toolbar

Hub 4 Mech TeamHelp Article

“Every button of the editor toolbar from left to right, with icons, what it does and keyboard shortcuts.”

Reading Time: ~2 min read
Last updated: Updated 28 Oct 2026
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The toolbar sits above the writing area. Buttons are grouped by task; on narrow screens the last groups move into the More menu at the right end.

Note editor
ParagraphExampleNote boxNoteProblemApp
Start writing ...

All buttons

ButtonNameWhat it doesShortcut
Undo / RedoStep back or forward through your changes.Ctrl+Z / Ctrl+Y
BlocksTurn the current paragraph into a heading (Heading 2, 3 ...) or back into a paragraph. Headings build the table of contents.
Bold / Italic / UnderlineEmphasise words. Prefer bold for key terms; underlining looks like a link on the web.Ctrl+B / I / U
Align left / center / rightAlign the current paragraph.
Outdent / IndentMove a paragraph or list item in or out.Tab in lists
Bullet / Numbered listStart an unordered or ordered list. Press Enter twice to end it.
TableInsert a table, then use its menu to add or delete rows and columns.
Insert EquationOpen the mathematics editor with palette and preview.
Insert ImageUpload an image and set layout, width and caption.
Example / Note boxInsert a numbered Example or Note box.
More blocksHint and Warning boxes.
Note / Problem / AppEmbed another note, a problem ("Try yourself") or an app.
Source codeShow the HTML of the content - useful to tidy pasted text.

The groups

History
Undo and redo.
Text
Blocks, bold, italic, underline.
Layout
Alignment, indent, lists, tables.
Media
Equations and images.
Boxes
Example, note, hint, warning.
Embeds
Notes, problems, apps.

Handy shortcuts

  • Ctrl+Z / Ctrl+Y - undo / redo
  • Ctrl+B, Ctrl+I, Ctrl+U - bold, italic, underline
  • Shift+Enter - new line inside the same paragraph
  • Ctrl+Shift+V - paste as plain text (in most browsers)
  • Double-click an image, equation box or embedded card - edit it

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