This paper addresses issues of language use and negotiation and utilizes cultural-historical activity theory (CHAT) as a framework to analyze and understand the complexity of the mediational and collaborative structures constituting computer supported collaborative writing in a second language (CSCWL2) activities. Following an introduction to CHAT…

In this article we present a review of the state of the art in mathematical e-learning and some personal experiences on this area developed during the last eleven years at the Open University of Catalonia (UOC), a completely online university located in Spain. The article discusses important aspects related to online mathematics courses offered in…