Main keys
| Action | Key combination |
| Send the message | Ctrl+Enter |
| Save the message as a TeX-file | Ctrl+S |
| Close the editor window | Ctrl+Q |
| Delete the message | Ctrl+Del |
| Help | F1 |
Deleting characters and expressions
| Action | Key combination |
| Delete one character or expression to the left of the cursor | Backspace |
| Delete one character or expression to the right of the cursor | Del |
| Cut the selected text and put it onto the clipboard | Ctrl+X |
Working with the clipboard
| Action | Key combination |
| Cut the selected text and put it onto the clipboard | Ctrl+X |
| Copy the text onto the clipboard | Ctrl+C |
| Paste from the clipboard | Ctrl+V |
Text selection
Text is selected using the arrow keys while holding down the Shift key.
| Extend the selection | Key combination |
| One character to the right | Shift+Right arrow |
| One character to the left | Shift+Left arrow |
| Till the end of the line | Shift+End |
| Till the beginning of the word | Shift+Home |
| One line down | Shift+Down arrow |
| One line up | Shift+Up arrow |
| One screen down | Shift+Page Down |
| One screen up | Shift+Page Up |
| Select all | Ctrl+A |
Moving the cursor through text
| Move | Key combination |
| One character to the left | Left arrow |
| One character to the right | Right arrow |
| One line up | Up arrow |
| One line down | Down arrow |
| To the end of the line | End |
| To the beginning of the line | Home |
| One screen up | Page Up |
| One screen down | Page Down |
Scrolling the screen
| Move | Keyboard combination |
| Half the screen up | Ctrl+Up arrow |
| Half the screen down | Ctrl+Down arrow |
| Half the screen to the left | Ctrl+Left arrow |
| Half the screen to the right | Ctrl+Right arrow |
Pressing "Ctrl"+"Z" undoes the last change in the message. You can undo changes until the original document before editing is restored. In case you need to redo changes, use "Ctrl"+"Y".
The "Caps Lock" key is used to select the bracket type. All standard types of mathematical brackets are available.
The "Caps Lock" key is used to edit all matrix properties and complex brackets. To add/delete a row or a column in a matrix or to add/delete a cell in a complex bracket, place the cursor into a cell and press "Caps Lock". Then select the necessary command in the popup window. To change the appearance of the outer brackets in a matrix, place the cursor onto the bracket and press "Caps Lock". Then select the necessary command in the popup window.
Note. A complex bracket is a bracket that is created when you pres the "Ctrl"+"Alt"+"b"+"r" combination. A complex bracket consists of several scalable brackets. For example, it makes it possible to enter an expression of the following type: <f|x|f*>.
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