1. Guest editorial

   • Paul Cobb

   EditorialNotes 01 March 1994 Pages: 105 - 109

2. Cognitive play and mathematical learning in computer microworlds

   • Leslie P. Steffe
   • Heide G. Wiegel

   OriginalPaper 01 March 1994 Pages: 111 - 134

3. Exponential functions, rates of change, and the multiplicative unit

   • Jere Confrey
   • Erick Smith

   OriginalPaper 01 March 1994 Pages: 135 - 164

4. Growth in mathematical understanding: How can we characterise it and how can we represent it?

   • Susan Pirie
   • Thomas Kieren

   OriginalPaper 01 March 1994 Pages: 165 - 190

5. The gains and the pitfalls of reification — The case of algebra

   • Anna Sfard
   • Liora Linchevski

   OriginalPaper 01 March 1994 Pages: 191 - 228

6. Images of rate and operational understanding of the fundamental theorem of calculus

   • Patrick W. Thompson

   OriginalPaper 01 March 1994 Pages: 229 - 274

7. Negotiation of mathematical meaning and learning mathematics

   • Jörg Voigt

   OriginalPaper 01 March 1994 Pages: 275 - 298