This paper describes a study aimed to identify most common impediments related to the introduction of an open-source mathematical software package GeoGebra. We report on the analysis of data collected during a three-week professional development programme organised for middle and high school teachers in Florida. The study identified challenges…

The move by training and educational institutions in Australia toward the use of multimedia to facilitate effective and cost effective training and professional development has grown at a substantial pace. This paper focuses on the impact of multimedia on the areas of training and professional development. Benefits of the technology are described,…

The concept of a community of practice (CoP) is prevalent in several venues for teachers' professional development, especially in online environments. However, there are few descriptive accounts that effectively represent a CoP in a manner that will be of use to other designers. In order to illuminate potential difficulties which may arise when…