hi, i'm a undergraduate student in one of the university in malaysia. i'm now try to create the java applet for RC circuit...but unfortunately, i faced a lot of problem in the designation....thus, i wish that i can get the source code for the RC circuit to help me in doing the java applet of RC circuit. can u pls help me?? thanks.... The url is : http://www.phy.ntnu.edu.tw/java/rc/rc.html My email add: lsc_8100@hotmail.com