From: Eli Barzilay <email@example.com> To: firstname.lastname@example.org, email@example.com Subject: [PLT announcement] PLT Scheme 207 available Date: Tue, 18 May 2004 23:57:16 -0400 PLT Scheme v207 is now available from http://download.plt-scheme.org/ This version adds new collections, while work is going on for v300: * PLoT is a new collection that provides an interface for drawing plots. There is a basic interface for common plot types, as well as an advanced one for creating custom types. See the relevant help-desk manual for details. * FrTime (Father Time) is a new language that supports the declarative construction of reactive systems through signals (time varying values). If this sentence doesn’t excite you, just switch to the FrTime language and evaluate this variable: seconds and this expression: (build-list (quotient seconds 10) add1) and watch. * A new manual for the web server is available for installation through help desk. * A revised draw.ss teachpack supports functions for dealing with clock events and key stroke events. This allows students to write animations on day 1. See the revised documentation. * ProfessorJ: - The Full language version of ProfessorJ is released, for experimental use. We do not yet support all language features (including nested classes, switch, and labeled statements). The Beginner language now supports super calls, see the ProfessorJ Beginner language manual. - ProfessorJ supports a draw.ss-equivalent package now (import draw.*;). See the doc.txt file. - ProfessorJ now includes two experimental, design-oriented wizards. See the Special menu. * Windows users will be pleased to know that double-clicking a Scheme file will re-use an existing DrScheme process rather than starting a new one. Feed-wel-back-come. -- ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay: http://www.barzilay.org/ Maze is Life!