### 2.4.5Toolbox menu

The Toolbox menu contains commands that are used to insert operators into the session. This menu includes the following entries:

New entry
  (Alt+N) — This inserts a new level.
New comment
  (Alt+C) — This inserts a new comment level.

The other entries let you insert mathematical operations into the current level. If Auto index help is chosen (see Section 2.5.9), then the help index will open help index (see Section 2.3.3) with the chosen command selected.