The Essen Learning Model is a generic development model supporting development processes on three levels: development of curricula, learning sequences, and learning units. We focus on finding an adequate combination of didactical methods and educational technologies. Secondly, we focus on interoperability, reusability, and ease of use, using standards on the modeling level (ARIS), architecture level (LTSA, IMS), and implementation level (XML). The approach will enable educators, project managers, and authors to efficiently develop and implement Computer Supported Learning Environments.

symposium was financed by Finnish Academy and its purpose was to emphasize domain specific research on teaching and learning. Most of the participants who presented their papers in the symposium sent their articles for this publication. Of the sixteen articles published here, five deals with the issues on university teaching and six on learning mathematics. Most of the articles are written in English and some in Finnish. We want to thank all those who took part in the symposium, those who helped with the