To solve the problem faced by most of the students in Hong Kong who conduct recipe learning, we would like to enhance their understanding by web-based interactive multimedia learning tools. Nevertheless, we find that the existing packages are limited in functionality and user-friendliness. Worst of all, very few of them are Internet-based. Therefore, we develop our own Internet tools, including two-dimensional geometric and vector plotters, a time evolution three-dimensional plotter and an Internet mathematical equation editor. All these tools have the following features: they are &ser-friendly, interactive, dynamic, extendible and Internet based. Hence, they are very suitable to be utilized as teaching tools. A research has been conducted to test their effectiveness. The result shows that students welcome the use of Internet-based learning tools and achieve better understanding after using them. This is of course very rewarding and, thus, we are highly motivated to develop more tools of this kind to supplement the normal lecturing of d4fferent subjects. More detailed information can be found at http://vied.eee.hku.hk.