Researchers and teachers working together to deal with the issues, opportunities and challenges of implementing CAS into the senior secondary mathematics classroom; [Kooperation von Forscher(inne)n und Lehrer(inne)n bezüglich des Umgangs mit Möglichkeiten und Herausforderungen bei der Implementierung von CAS in derSekundarstufe]

Introducing CAS calculators into the mathematics classroom has the potential to confront classroom practice more than the introduction of graphics calculators. CAS calculators are capable of performing many of the routine procedures that are taught in the secondary school curriculum and having CAS calculators available in the classroom has implications for pedagogy, interactions in the classroom and practice of routine procedures. This paper will describe the way that the researchers and a group of teachers in three schools worked together to deal with issues and opportunities associated with the implementation of CAS calculators into the year 11 and 12 curriculum during 2001 and 2002 in Victoria, Australia.