Jean-Baptiste Lagrange. Using Symbolic Calculators to Study Mathematics.: The case of tasks and techniques. The Didactical Challenge of Symbolic Calculators Turning a Computational Device into a Mathematical Instrument, 36, Springer-Verlag, 2005, Mathemat
HAL Archives-Ouvertes,
Jean-Baptiste Lagrange. Using Symbolic Calculators to Study Mathematics.: The case of tasks and techniques.