Necessary software: Some of the materials will be presented as PostScript and PDF documents, so you will need to handle at least one of these formats. If your system doesn't already have one, you may want to fetch and install a free PostScript/PDF viewer manufactured by Aladdin Inc, called Ghostscript. The Aladdin web page has instructions for attaching it to Netscape or MS Internet-Explorer. Another popular program for reading PDF files is Adobe Acrobat Reader.
You might find it amusing to learn how I got involved in bioinformatics.