I tried access applet and test using Firefox, Internet Explorer and Google Chrome, but no access on NTNU didn't know where error.
About Symbols like theta by EJS 4.3.1 the same error not work can't compile Symbols. [b][color=blue]( Symbols worked very well by EJS 4.3.0)[/color][/b]
However prof hwang i think can find where is error.
I just report my test.