# The Help menu

### 2.4.4 The Help menu

The Help menu contains commands that let you get information about Xcas from various sources. This menu contains the following entries:

- Index
  This brings up the help index (see Section 2.3).
- Find word in HTML help (F12)
  This brings up a page which helps you search for keywords in the html documentation that came with Xcas (see Section 2.3). The help will be displayed in your browser.
- Interface
  This brings up a tutorial for the Xcas interface. The tutorial will be displayed in your browser.
- Reference card, fiches
  This brings up a pdf reference card for Xcas. The card will be displayed in your browser.
- Manuals
  This allows you to choose from a variety of manuals for Xcas, which will appear in your browser.
  - CAS reference
    This brings up the manual for Xcas.
  - Algorithmes (HTML)
    This brings up a manual for the algorithms used by Xcas.
  - Algorithmes (PDF)
    This brings up a pdf version of the manual for the algorithms used by Xcas.
  - Geometry
    This brings up a manual for two-dimensional geometry in Xcas.
  - Programmation
    This brings up a manual for programming in Xcas.
  - Simulation
    This brings up a manual for statistics and using the Xcas spreadsheet.
  - Turtle
    This brings up a manual for using the Turtle drawing screen in Xcas.
  - Exercices
    This brings up a page of exercises that you can do with Xcas.
  - Amusement
    This brings up a page of mathematical amusements that you can work through with Xcas.
  - PARI-GP
    This brings up documentation for the GP/PARI functions.
- Internet
  The Internet menu contains menu items that take you to various web pages related to Xcas. Among them are the following entries:
  - Forum
    This takes you to the Xcas forum.
  - Update help
    This installs updated help files (retrieved from the Xcas website).
  There are also several menu items that take you to Xcas related pages written in French; namely:
  - Aide-memoire lycee
    This takes you to a paper discussing Xcas and high school.
  - Documents pedagogiques lycee
    This takes you to a page on the Xcas website with a list of useful links.
  - Documents algorithmique
    This takes you to a page on the Xcas website with a list of links.
  - Site Lycee de G. Connan
    This takes you to a page about a free book written by Guillaume Connan teaching algorithms to high school students.
  - Site Lycee de L. Briel
    This takes you to a website about Xcas for high school students.
  - Calcul formel au lycee, par D. Chevallair
    This takes you to a pdf file discussing the use of Xcas in high school.
  - Site de F. Han
    This takes you to a website by Frederic Han about Xcas and a QT frontent for giac.
  - Ressources Capes
    This takes you to a website with various external sources.
  - Ressources Agregation externe
    This takes you to a collection of external resources.
  - Ressources Agregation interne
    This takes you to a page on the Xcas website.
- Start with CAS
  This menu has the following entries:
  - Tutorial
    This opens up the tutorial.
  - Solutions
    This opens up the solutions to the exercises in the tutorial.
- Tutoriel algo
  This opens up a tutorial on algorithms and programming with Xcas.
- Rebuild help cache
  This rebuilds the help index.
- About
  This displays a message window with information about Xcas.
- Examples
  This allows you to choose from a variety of example worksheets, which will then be copied to your current directory and opened.