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The SourceForge repository contains several versions of REDUCE, including the complete sources for both REDUCE and the underlying CSL Lisp system. The best place to start downloading is the REDUCE project page at SourceForge.

Compiled Versions

There are several compiled versions available for download. To obtain one of these, click on the white Download link at the right of the page near the top, and then click on reduce-algebra under "Package." You will then see several instances of the available binaries. Please use the latest version if that meets your needs. Otherwise, click on the other links, and a variety of versions will be displayed. Hopefully one of these will meet your needs. The relevant files are there in some archive format suitable for your architecture. Among them should be a REDUCE executable.

Complete Sources and Supporting Files

If none of the above versions meets your needs, you will need to download the complete sources. For this you need the "subversion" program svn. If you don't have this, you will need to obtain it from somewhere. Once that is available, you can say

svn co reduce-algebra

This will download all relevant files to a sub-directory reduce-algebra. To create the necessary executables, cd to the reduce-algebra/trunk directory, and then type:

./configure --with-csl  --with-psl

If you want to restrict to either CSL or PSL you can omit the --with-*sl for the other one. Now type


After compilation a suitable executable redcsl or redpsl (with a .bat extension for Windows) will be found in the trunk/bin subdirectory.

The command

svn update

will at any time download those files that have been changed since your last call to that command.

Known Problems

With the CSL version, there are some glitches with the mathemaatical prettyprinting of expressions. To turn this feature off, say off fancy; in REDUCE. In addition, if you are having problems with the window-based version, or prefer a command-line version, you can use the program in command-line mode by typing

reduce -w

to load the program.

Further Developments

Once you have installed the program, please revue from time to time the reduce-algebra-developers mailing list under Public/Mailing Lists at SourceForge. That way, you can learn of further developments as they occur.