10.7.1 Top new questions this week

10.7.1.1 xfrac and anyfontsize cause missing superscripts in $\frac 1  x^2 $

https://tex.stackexchange.com/landing/r/digest?cta=question&id=707474

Using anyfontsize and xfrac together seems to break superscripts within inline math. 
\documentclass{article} 
\usepackage{anyfontsize} 
\usepackage{xfrac} 
\begin{document} 
$\frac{1}{x^2}$ (good) 
$\... 
[math-mode] [fontsize] [xfrac] [anyfontsize]
 

asked by Mateen Ulhaq https://tex.stackexchange.com/landing/r/digest?cta=user&id=2930 Score of 11

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 5

10.7.1.2 Addressing the elephant in the room, why the way of writing $\cong$ and $\equiv$ is flipped?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=707345

I have been a user of latex for the lest 10 years, and I have always wondered why to write $\equiv$ we use "equiv" if the symbol that appears is usually referred to as the congruence symbol, ... 
[tex-general]
 

asked by Gillyweeds https://tex.stackexchange.com/landing/r/digest?cta=user&id=272052 Score of 7

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 11

10.7.1.3 How to Sharpen a PDF Drawing

https://tex.stackexchange.com/landing/r/digest?cta=question&id=707617

The following Wikipedia image is in the public domain: 
Using \includegraphics, I incorporated the image into some LaTeX code, edited out the border, and saved the remaining portion as a PDF. 
Now, ... 
[tikz-pgf] [graphics] [pdf] [includegraphics] [tikz-pic]
                                                                                  

                                                                                  
 

asked by DDS https://tex.stackexchange.com/landing/r/digest?cta=user&id=192836 Score of 6

answered by hpekristiansen https://tex.stackexchange.com/landing/r/digest?cta=user&id=8650 Score of 17

10.7.1.4 Attempting to understand a piece of code I found

https://tex.stackexchange.com/landing/r/digest?cta=question&id=707243

On this thread, I found a piece of code that I found really interesting and useful, but I have no idea how it works:https://tex.stackexchange.com/a/584979/261033 
Here's the code in question, for ... 
[macros] [primitives]
 

asked by Tsskyx https://tex.stackexchange.com/landing/r/digest?cta=user&id=261033 Score of 6

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 9

10.7.1.5 Messy block matrix

https://tex.stackexchange.com/landing/r/digest?cta=question&id=707569

I need to typeset the following matrix 
but I'm having trouble understanding the nicematrix package. I am trying to write it like this 
\begin{document} 
\begin{align*} 
\begin{pNiceArray}{... 
[matrices]
 

asked by Alex https://tex.stackexchange.com/landing/r/digest?cta=user&id=309002 Score of 5

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 4

10.7.1.6 Itemize: Align terms

https://tex.stackexchange.com/landing/r/digest?cta=question&id=707495

Can I align several terms in an item-list? 
See my code. x, y and z are not aligned... Could I use amsmath? 
My Code: 
\documentclass{article} 
\usepackage{amsmath} 
\begin{document} 
\begin{itemize} 
... 
[horizontal-alignment] [itemize]
 

asked by Sylvia https://tex.stackexchange.com/landing/r/digest?cta=user&id=307464 Score of 5

answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 5

10.7.1.7 A Simpler Way to Code This Stackengine Asterism

https://tex.stackexchange.com/landing/r/digest?cta=question&id=707453

Consider the MWE: 
\documentclass[12pt]{article} 
\usepackage{stackengine} 
\usepackage{lipsum} 
\usepackage{graphicx} 
\def\asterism{\par\vspace{1em}{\centering\scalebox{1.5}{% 
\stackon[-0.5pt]{*}{\... 
[stacking-symbols] [stackengine] [stack]
 

asked by DDS https://tex.stackexchange.com/landing/r/digest?cta=user&id=192836 Score of 5