The main lecture at Day 3 of the YERME Summer School is held by Jean-Baptiste Lagrange. His talk will be concerning research about technology in mathematics education. Lagrange is going to look at different technologies with certain theoretical concerns:
- programming with the reification theories,
- microworlds with situated cognition,
- spreadsheets and computer symbolic systems with the instrumental and anthropological approaches,
- today fast developing web based technologies with the need for new approaches.