Free, open, online homework help sites appear to be extremely popular and exist for many school subjects. Students can anonymously post problems at their convenience and receive responses from forum members. This mode of tutoring may be especially critical for school subjects such as calculus that are intrinsically challenging and have high…

Teaching programming to novices has proved challenging for both learner and lecturer due to the abstraction and complexity of the subject matter. The work described in this paper is part of an EU funded Minerva project called TUPULO (Teaching Undergraduate Programming Using Learning Objects) which aims to address the challenges faced by novice…

NS-eCMS is developing an open web-based content management, communication, and collaboration eLearning platform that addresses the specialized requirements for distance education in natural sciences. The federated architecture enables straightforward development, exchange, and publication of material through open standards like XML/MathML. The…