How to use this CD-ROM
The most straightforward way to start using this CD-ROM is to open the file
index.html in the top directory (or folder) of this
CD-ROM with your favorite web browser such as Netscape Navigator
(or Netscape Communicator) or Internet Explorer.
We recommend that you use Netscape Communicator or Internet Explorer
versions 4.0 or later.
To explore Johan's Worlds,
How to view and print the contributions
Nearly all contributions to this CD-ROM are availabe in three different
If you do not have readers for any of the above formats installed
on your computer, we recommend using PDF; it is free and very reliable.
You can download the latest version of the Acrobat Reader from
- DVI format. DVI stands for Device Independent Format. These are
the files that are normally created when typesetting a .tex file.
- PostScript (PS) format.
- Portable Document Format (PDF). This is a format developed by Adobe
Note that all text is hyperlinked: this means that if you use a suitable
reader for any of the above formats, you can navigate through them as you
would through a web page such as this one.