Abstract
In this paper we provide the design and implementation of a web-based real-time interactive blackboard that can be used in a web-based tutoring system. The goal of the tool is to help moving the classroom experience to the web, where teachers and students can communicate with each other in real-time by voice and by writing and drawing on the same blackboard. The main advantage of this system is to reduce tutoring cost by saving the time required for students and teachers to meet. Further, it allows teachers to tutor students from different cities or even different countries. The system is designed to be a module in a tutoring system environment. HTML5 canvas and WebSockets is used in this implementation. The complete code is available on GitHub code hosting website.
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