1. Research on Dynamic Geometry Software (DGS)—an introduction

   • Rudolf Sträßer

   Analyses Pages: 65 - 65

2. A cognitive analysis of dragging practises in Cabri environments

   • Ferdinando Arzarello
   • Federica Olivero
   • Ornella Robutti

   Analyses Pages: 66 - 72

3. Macros and modules in geometry

   • Gert Kadunz

   Analyses Pages: 73 - 77

4. “Locus” and “Trace” in Cabrigéomètre: relationships between geometric and functional aspects in a study of transformations

   • Ana Paula Jahn

   Analyses Pages: 78 - 84

5. On Dynamic Geometry Software in the regular classroom

   • Thomas Gawlick

   Analyses Pages: 85 - 92

6. Basic skills versus conceptual understanding in mathematics education: The case of fraction division

   • Mircea Radu

   Information Pages: 93 - 95

7. Book reviews

   • Mircea Radu
   • Sierpinska A.

   BookReview Pages: 96 - 103