Here are small animations, illustrations or comments on some exercises and wave phenomena in general. They are offered in various forms.
Source code is often available in Wolfram Mathematica. To open a .nb file, it is more than advisable to have this program installed. It is available for FJFI students after logging in at download.cvut.cz. However, it is better to register on the Wolfram User Portal using your university email address and then you can download the individual version of Mathematica including multiple registration keys.
Not available in English yet. For czech version click here