1. Announcement: Educational Interfaces Between Mathematics and Industry Study

   • Uri Wilensky

   Announcement 17 September 2009 Pages: 67 - 79

   

2. An Atom is Known by the Company it Keeps: A Constructionist Learning Environment for Materials Science Using Agent-Based Modeling

   • Paulo Blikstein
   • Uri Wilensky

   OriginalPaper 29 October 2009 Pages: 81 - 119

   

3. Constructing Knowledge Via a Peer Interaction in a CAS Environment with Tasks Designed from a Task–Technique–Theory Perspective

   • Fernando Hitt
   • Carolyn Kieran

   OriginalPaper 03 October 2009 Pages: 121 - 152

   

4. Students’ Conceptions of Congruency Through the Use of Dynamic Geometry Software

   • Gloriana González
   • Patricio G. Herbst

   OriginalPaper 01 October 2009 Pages: 153 - 182

   

5. Using Geometer’s Sketchpad to Explore, Conjecture, and Enjoy

   • Scott Fallstrom
   • Marion I. Walter

   Computer Math Snapshots - Column Editor: Uri Wilensky* 22 May 2009 Pages: 183 - 194

   

6. Computational Diversions: There Goes the Neighborhood

   • Michael Eisenberg

   Computational Diversions 17 September 2009 Pages: 195 - 202