I knew there was a way to do this. I forgot the \nbsp, {} by itself does not work. Thanks for the reminder. John ----------------------------------- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu On Mon, Feb 29, 2016 at 10:19 AM, Roger Mason wrote: > 童俊翔 writes: > > > How to add left superscripts without using additional packages in > org-mode? > > I use \nbsp{}^{1}. > > Cheers, > Roger > >