Installing GAP 4.3 in Windows

GAP is a free computer algebra system. Though originally developed for groups, it now has algebraic and number-theoretic capabilites. For more information, go to About GAP. For expert help with GAP, see the GAP Forum archives.

This version is intended for USNA students. It is not an official release and is not officially supported by GAP.

Unless you are a USNA student, please do not ask for help from me or the GAP Forum if you have trouble with the installation of this version!

  1. Download the file gap43.exe anywhere on your PC. This file is about 65 M. It may be deleted later.
  2. Double click on the self-extracting file gap43.exe file. This will automatically create a directory c:\gap4r3 and decompress GAP in this directory. It will be about 150 M when unzipped.
  3. When this is done, start GAP by double clicking on gapw95.exe in c:\gap4r3\bin. This will require about 15 M of RAM.
  4. (Optional) To create a gap shortcut on your desktop:
    1. right click on the file gapw95.exe in c:\gap4r3\bin and select "create shortcut",
    2. drag the newly created file to the desktop,
    3. right click on this file, select properties,
    4. click on the "change icon" button, select "browse" and find the file gapicon.bmp (it will be looking for icon files, so you need to look for "all files" in the "Files of type:" box).
    5. Select this and click okay.

If you prefer, there is a zip file gap43.zip. Use winzip with the directories and folders preserved option (or in DOS type pkunzip -d -o gap43.zip at the c: prompt) to unzip.
 


To access the Grobner bases routines, after starting GAP, type

Read("c:\gap4r3\teaching\read.g");

at the GAP prompt.

Created by wdj on 3-13-2002. Email comments or questions to wdj@usna.edu.