In this paper, we present an activity to introduce the idea of public-key cryptography and to make pre-service STEM teachers explore fundamental informatics and mathematical concepts and methods. We follow the Theory of Didactical Situations within the Didactical Engineering methodology (both widely used in mathematics education research) to…

Explores capabilities of extranets (collaborative information networks between partner institutions) from the perspective of the school and university environment. Introduces distinctive features. Presents strategies and techniques for facilitating the extranet design and implementation process and delineates tactics for safeguarding extranets…