10.85.3 Can you answer these questions?

10.85.3.1 Surface plots using Tikz

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733670

I want to show surface approximation plots, in which I have two variables called calculated and approximated. I need to show two 3D surface plots corresponding to these two variables, whose values are ... 
[tikz-pgf] [pgfplots]
 

asked by skm https://tex.stackexchange.com/landing/r/digest?cta=user&id=48093 Score of 2

answered by Jasper https://tex.stackexchange.com/landing/r/digest?cta=user&id=319072 Score of 0

10.85.3.2 Reversing Newman's representation

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733840

In the basic \newman command, the axial substituent points up. Is there a possibility that it points down (in fact, rotate the whole image 180A^Degree)? 
Because I spent quite a bit of time drawing a ... 
[chemmacros]
 

asked by Nicolas https://tex.stackexchange.com/landing/r/digest?cta=user&id=231550 Score of 1

10.85.3.3 molecular electron isodensity surfaces, using latex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733807

Atomic orbitals are currently visualized in latex using spherical surfaces. 
Formulae for this can be found athttps://www.researchgate.net/publication/... 
[diagrams] [chemistry]
 

asked by Jasper https://tex.stackexchange.com/landing/r/digest?cta=user&id=319072 Score of 2