Question: We ask you a subject to think about.
Experiment: We tell you what and where to look for. We explain how to use the software to achieve this and sometimes give hints on how the answer might be found. So only use this advice if you need to.
Circuit simulation routines, like real life, can be a little temperamental. Sometimes you may need to restart, wait, or re-click to achieve the expected result.
The exe download version will always be more robust than the online version which is more susceptible to speed, floating point or browser issue.