Library sources:

Please, use the latest version of the tester library, released on 18 February 2011.

The tester sources version 1.4.1.1 Last modified on February 18, 2011.

The colors version 1.0 -- colors for the world libraries.

The geometry version 1.0 -- Posn for the world libraries.

The World libraries:

The draw -- the functional world. Last modified on October 19, 2009.

The idraw -- the imperative world. Last modified on October 19, 2009.

The adraw -- the applet world. Last modified on October 19, 2009.

Archival versions of the tester library:

The tester sources version 1.4.1. Last modified on October 5, 2010.

The tester sources version 1.3.7. Last modified on May 12, 2010.

The tester sources version 1.3.5. Last modified on February 5, 2010.

The tester sources version 1.3.4. Last modified on November 19, 2009.

The tester sources version 1.3.3. Last modified on October 16, 2009.

The tester sources version 1.3.2. Last modified on October 7, 2009.

The tester sources version 1.3.1. Last modified on May 26, 2009.

The tester sources version 1.2.2. Last modified on March 2, 2009.

The tester sources version 1.1. Last modified on November 11, 2008.

The tester sources version 1.0. Last modified on June 11, 2008.

Archival versions of the draw library:

The draw -- the functional world. Last modified on August 14, 2008.

The idraw -- the imperative world. Last modified on August 14, 2008.

The adraw -- the applet world. Last modified on August 14, 2008.