**BUG**
Concise problem statement:
Some traces show coarser step changes than others.
Steps to reproduce bug:
1. Ctrl+R > Transient > Run
Results:
i(cathode) changes in steps of 10mA but i(load) changes in much smaller steps.
Expected results:
All traces should show 3 or 4 significant figures (2 or 3 decimal places).
Url:
https://easyeda.com/file_view_PRECISION-PROGRAMMABLE-REFERENCE-TL431-spice-simualtion_eO60iAR9r.htm
Browser:Mozilla/5.0 (Windows NT 5.1; rv:25.0) Gecko/20100101 Firefox/25.0
Brand new interactions and interfaces. 
Easy to use and quick to get started. 
