The calculatoris the one that kills me - when I was using an editobox and tried to do calculator functions lsxcommand would focus itself in the top left corner and wouldn't go away.

In case you're interested, the right setting for the desktop entry is


I'm not sure about any arguments besides the args. The best thing to do would probably to do a desktop search for "" and copy the address bar. But I didn't need to tell you that....