Debugging an Artifact, Instrumenting a Bug: Dialectics of Instrumentation and Design in Technology-Rich Learning Environments Tobin White OriginalPaper 19 July 2007 Pages: 1 - 26
Understanding Equivalence of Symbolic Expressions in a Spreadsheet-Based Environment Michal TabachAlex Friedlander OriginalPaper 30 January 2008 Pages: 27 - 46
Computational Construction as a Means to Coordinate Representations of Infinity Ana Isabel SacristánRichard Noss OriginalPaper 23 February 2008 Pages: 47 - 70
Explorations with Sketchpad in Topogeometry Amanda HawkinsNathalie Sinclair Computer Math Snapshots. Editor—Uri Wilensky* 05 March 2008 Pages: 71 - 82