6.39.3 Can you answer these questions?

6.39.3.1 How to detect teletype/typewriter mode

https://tex.stackexchange.com/landing/r/digest?cta=question&id=554099

How do I detect whether or not I'm in teletype mode in LaTeX?  I'm looking for something like \ifmmode or \mathpalette or \mathchoice. 
Perhaps this is an xy problem, so let me give my original  ... 
[fonts] [typewriter]
 

asked by Jason Gross https://tex.stackexchange.com/landing/r/digest?cta=user&id=2066 1 vote

6.39.3.2 Making beamer slides fill the whole screen for video presentations via shared screen

https://tex.stackexchange.com/landing/r/digest?cta=question&id=553923

I would like to use the beamer package for a presentation, but I wont be using an actual beamer, it will be just be a video call and I will be sharing my screen. 
I currently cannot figure out how I  ... 
[beamer]
 

asked by c_student https://tex.stackexchange.com/landing/r/digest?cta=user&id=182828 1 vote

6.39.3.3 Is there a way to change the thickness of the lines from loop to loop in algorithm using algorithmic2e?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=554220

Let say I have the following algorithm 
\documentclass[12pt]{article} 
\usepackage{fullpage} 
\usepackage{times} 
%\usepackage{fancyhdr,graphicx,amsmath,amssymb} 
... 
[algorithms] [algorithm2e]
 

asked by Sreenivasa Reddy Yeduri https://tex.stackexchange.com/landing/r/digest?cta=user&id=220797 1 vote