Learning from Computers: Mathematics Education and Technology Keitel-Kreidt Christine Heftet / 2011 / Engelsk
Didactical Challenge of Symbolic Calculators Turning a Computational Device into a Mathematical Instrument Guin Dominique Innbundet / 2004 / Engelsk
Didactical Challenge of Symbolic Calculators Turning a Computational Device into a Mathematical Instrument Guin Dominique Heftet / 2010 / Engelsk