1. The Complex Process of Converting Tools into Mathematical Instruments: The Case of Calculators

   • Dominique Guin
   • Luc Trouche

   OriginalPaper Pages: 195 - 227

2. Supporting the Evolution of Mathematical Meanings: The Case of Non-Euclidean Geometry

   • Ian Stevenson
   • Richard Noss

   OriginalPaper Pages: 229 - 254

3. Tools to Think With: Detecting Different Strategies in Solving Arithmetic Word Problems

   • Sara Hershkovitz
   • Pearla Nesher

   OriginalPaper Pages: 255 - 273

4. Computer Math Snapshots

   • Uri Wilensky

   OriginalPaper Pages: 275 - 278

5. Volume contents

   OriginalPaper Pages: 279 - 280