1. Creativity

   • Hans Freudenthal

   BriefCommunication Pages: 1 - 1

2. Bastiaan's experiments on Archimedes' principle

   • Hans Freudenthal

   OriginalPaper Pages: 3 - 16

3. The concept of exponentiation at the undergraduate level and the definitional approach

   • Shlomo Vinner

   OriginalPaper Pages: 17 - 26

4. Learning to understand what giving a proof really means

   • J. Van Dormolen

   OriginalPaper Pages: 27 - 34

5. “I have lost the thread completely ...”

   • János Surány

   OriginalPaper Pages: 35 - 39

6. L'enseignement des mathématiques

   • Emma Castelnuovo

   OriginalPaper Pages: 41 - 50

7. Démarches individuelles de réponse en mathématique

   • R. Duval
   • F. Pluvinage

   OriginalPaper Pages: 51 - 116