User Portlet User Portlet

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Yes, I have looked at examples given in the standard form (if by standard form you mean Entity Class Objects). I'm just not sure how to enter an atomic level for an element that is not given as example so I am trying to do this using the Input Form...
Hello, I'm using the SpectralLineData function documented at: https://reference.wolfram.com/language/ref/SpectralLineData.html Does anyone know what the yellow boxes in the Examples are called? I'd like to learn how to go back and forth between...
Perfect! Thanks so much.
Yes, just what I was looking for. Thanks!