I hope the following is what you are looking for.

/htdocs/ntnujava/ejsuser/2/users/ntnu/fkh/trianglewave_pkg/trianglewave.propertiesFull screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
Download EJS jar file(685.5kB):double click downloaded file to run it. (6 times by 5 users) , Download EJS source View EJS source