4.1 File
  4.1.1 New
  4.1.2 Load
  4.1.3 Save
  4.1.4 Save as
  4.1.5 Save as model
  4.1.6 Save as bitmap
  4.1.7 Quit
 4.2 Edit
  4.2.1 Undo
  4.2.2 Redo
  4.2.3 Delete selection
  4.2.4 Hide / show selection
  4.2.5 Select all
  4.2.6 Name object
  4.2.7 Show hidden
  4.2.8 Copy
  4.2.9 Attach
  4.2.10 Detach
 4.3 New Object
 4.4 Macro
  4.4.1 Mark as given
  4.4.2 Recurse on
  4.4.3 Mark as final
  4.4.4 Enter description and help-texts
  4.4.5 Play
  4.4.6 Select a macro-directory
 4.5 Refresh macro-directory
 4.6 Measure and calculate
  4.6.1 Length
  4.6.2 Dot-product
  4.6.3 Enter expression
 4.7 Typical tasks
  4.7.1 Enter line in parametric form
  4.7.2 Plane
  4.7.3 Sphere
  4.7.4 Parametric curve
  4.7.5 Parametric surface
  4.7.6 Co-ordinate axes
  4.7.7 Co-ordinate planes
 4.8 Extras
  4.8.1 Stereo
  4.8.2 Stereo-mode
  4.8.3 Projection
  4.8.4 Import / Export
  4.8.5 Optimize
  4.8.6 Slider
  4.8.7 Light
  4.8.8 Shadow
  4.8.9 Activate shadows globally
  4.8.10 New Animation
  4.8.11 Start / stop animations
  4.8.12 Fly around
  4.8.13 Convert hidden objects to auxiliary objects
  4.8.14 Group objects
  4.8.15 Make selected objects blink
  4.8.16 Lock selected objects into position
  4.8.17 Choose language
  4.8.18 Settings
 4.9 Help
  4.9.1 Documentation
  4.9.2 Key word
  4.9.3 Tutorials
  4.9.4 Register
  4.9.5 About