The RealCADD Manual Mac version
Window >> Zoom

Zoom in Keyboard shortcut ⌘=

Zooms to double the current magnification.

Zoom out Keyboard shortcut ⌘-

Zooms to half the current magnification.

Zoom drawing Keyboard shortcut ⌘F

Zooms to include the whole drawing.

Zoom objects Keyboard shortcut ⇧⌘F

Zooms to include all selected objects.