1. Advice to Prospective Authors

   • Kenneth Ruthven

   OriginalPaper Pages: 1 - 4

2. Mathematics and Virtual Culture: an Evolutionary Perspective on Technology and Mathematics Education

   • David Williamson Shaffer
   • James J. Kaput

   OriginalPaper Pages: 97 - 119

3. The Practices of Mathematicians: What do They Tell us About Coming to Know Mathematics?

   • Leone Burton

   OriginalPaper Pages: 121 - 143

4. The Beginning of Statistical Inference: Comparing two Data Sets

   • Jane M. Watson
   • Jonathan B. Moritz

   OriginalPaper Pages: 145 - 168

5. Students' use of the x-intercept as an instance of a transitional conception

   • Judit N. Moschkovich

   OriginalPaper Pages: 169 - 197