8.11.3 Can you answer these questions?

8.11.3.1 An extension to the real number line

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=266165

This is an alternative approach to Wolfram's definition of $0\times \infty = \tilde{\infty}$ where $\tilde{\infty}$ is a numerical quantity of infinite magnitude with simply undefined real and ... 
[built-in-symbols] [education]
 

asked by Bob the Builder https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=85892 Score of 1

8.11.3.2 Place legend inside the plot

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=266285

I am trying to place my plot legend inside the graph.  Currently it sits outside the plot and gets covered up when I place another plot next to it. 
 
This is the code I am using. 
... 
[plotting] [graphics] [legending]
 

asked by Guy Fawkes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34117 Score of 1

answered by Syed https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81355 Score of 0

8.11.3.3 How to make import and export (or equivalent) work with unique notebook contexts

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=266289

I currently have my notebook's default context set to "Unique to this notebook", which is useful for when I'm doing multiple projects. 
However, whenever I try to use e.g ... 
[export] [import] [contexts]
 

asked by w.ice https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63553 Score of 1