Keyboard shortcuts

On macOS, use ⌘ where this page says Ctrl. The shortcuts read the key's position as well as its letter, so they also work on Greek, Cyrillic and other keyboard layouts.

Projects

Keys	Action
Ctrl+N	New system. Desktop app only.
Ctrl+O	Open a project. Also works while the template gallery is open.
Ctrl+S	Save.
Ctrl+Shift+S	Save as.
Ctrl+E	Export.

Phase plane, time series, cobweb and section

Focus the plot first with Tab, or click it, which also adds a trajectory. A keyboard cursor then marks a point on the plot.

Keys	Action
Arrow keys	Move the cursor by 1/40 of the view. In a cobweb, the cursor moves along the diagonal.
Shift+arrow keys	Move the cursor 5 times as far.
Enter or Space	Select the trajectory or fixed point under the cursor, or add a trajectory there.
F	Select the next fixed point.
Shift+F	Select the previous fixed point.
Plus or =	Zoom in by 1.25 around the cursor.
Minus or _	Zoom out by 1.25 around the cursor.
0	Reset the view.
Delete or Backspace	Delete the selected trajectory.
Escape	Deselect.

3D view

Keys	Action
Left and Right arrows	Turn the box by 5° about the vertical axis.
Up and Down arrows	Tilt the box by 5°.
Shift+arrow keys	Turn or tilt by 15°.
Plus or =	Zoom in by 1.25.
Minus	Zoom out by 1.25.
0	Reset the camera.

Lyapunov, orbit diagram and Branch views

Keys	Action
Arrow keys	Pan by 1/20 of the view.
Shift+arrow keys	Pan by 1/4 of the view.
Plus or =	Zoom in by 1.25.
Minus or _	Zoom out by 1.25.
0	Zoom to fit.

Equations and parameters

Where	Keys	Action
An equation line	Enter	Add a line below.
The LaTeX and Text switch	Arrow keys	Switch the input mode.
A parameter slider	Left and Right, or Down and Up	Step by 1/100 of the slider's range.
A parameter slider	Page Down and Page Up	Step by 1/10 of the range.
A parameter slider	Home and End	Go to the minimum or the maximum.
A parameter's number box	Up and Down	Step by 1/100 of the range, or 1/10 with Shift.
A parameter's number box	Enter	Apply the typed value.
A parameter's number box	Escape	Go back to the current value.

Toolbars and menus

Where	Keys	Action
The plot's toolbar	Left and Right arrows	Move between buttons.
The plot's toolbar	Home and End	Go to the first or the last button.
The plot's toolbar	Escape	Hide the button's tooltip.
The axes menu	Up and Down arrows	Move between items.
The axes menu	Escape	Close the menu.
A dialog	Escape	Close it. The gallery stays open on first launch, until you pick a system.

Mouse

Action	Result
Click the plot	Add a trajectory, or an orbit in a cobweb, starting there.
Drag a start point	Move it.
Drag empty space	Pan. In the 3D view, turn the box.
Scroll	Zoom.
Double-click	Reset the view. In the Lyapunov view, zoom to fit.
Click the orbit diagram or a branch	Set the parameter there.