6.18.1 Top new questions this week

6.18.1.1 why is there no \dollars in Latex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=540777

Very strange discovery today for a newbie. If I want to type pounds, I could use \pounds to get the British Pounds symbol, but apparently Latex does not recognize \dollars. (I have to type \$). Is  ... 
[symbols]
 

asked by jxhyc https://tex.stackexchange.com/landing/r/digest?cta=user&id=91002 10 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 33 votes

6.18.1.2 Detect wrongly typeset non-sentence-ending period

https://tex.stackexchange.com/landing/r/digest?cta=question&id=540988

Is there any way to extremely increase the spacing after sentence-ending periods in order to (visually) verify that all non-sentence-ending periods are correctly treated using \ and \@? Thanks. 
[spacing] [typography]
 

asked by ivankokan https://tex.stackexchange.com/landing/r/digest?cta=user&id=115879 9 votes

answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 10 votes

6.18.1.3 \vdots missing in Fira Math?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=540732

I use TeXLive 2020. 
This simple code 
\documentclass{article} 
\usepackage{unicode-math} 
\setmathfont{Fira Math} 
\begin{document} 
\[ 
A = \begin{pmatrix} 
a_{11} & a_{12} & \cdots  ... 
[math-mode] [xetex] [symbols]
 

asked by Fred Leleu https://tex.stackexchange.com/landing/r/digest?cta=user&id=213809 9 votes

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

6.18.1.4 Block diagram using Tikz picture

https://tex.stackexchange.com/landing/r/digest?cta=question&id=540561

I am trying to generate the following figure using Tikz. 
However, I am not able to replicate the arrows. 
PS: So far, I have done the following: 
\documentclass{article} 
\usepackage{tikz} 
... 
[tikz-styles] [tikz-arrows]
 

asked by kosa https://tex.stackexchange.com/landing/r/digest?cta=user&id=162383 8 votes

answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 12 votes

6.18.1.5 How can I draw these cones properly without the base exceeding the lines?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=540334

I want to draw a 3D shape as shown in the image, but I cannot seem to get the circle/ellipse base of the cones to fit within the lines. The sides should be a tangent to the bottom circle/ellipse. The  ... 
[tikz-pgf] [packages] [3d] [draw] [shapes]
 

asked by Amer https://tex.stackexchange.com/landing/r/digest?cta=user&id=213367 7 votes

answered by SchrA~\[Paragraph]dinger's cat https://tex.stackexchange.com/landing/r/digest?cta=user&id=194703 7 votes

6.18.1.6 Trying to understand keyval.sty (specifically \KV@@sp@def)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=541112

I'm confused by the following macro definitions in keyval.sty (Version from 02/2020, Lines 65ff): 
\def\@tempa#1{% 
\long\def\KV@@sp@def##1##2{% 
... 
[macros] [key-value]
 

asked by Dennis MA~\274ller https://tex.stackexchange.com/landing/r/digest?cta=user&id=201606 6 votes

answered by Phelype Oleinik https://tex.stackexchange.com/landing/r/digest?cta=user&id=134574 9 votes

6.18.1.7 How to format K notation for continued fractions

https://tex.stackexchange.com/landing/r/digest?cta=question&id=540735

Over here is a recent paper on continued fractions, and I was wondering how I could format Gauss' K notation in this fashion. Here is a picture to demonstrate what I mean: 
I am unsure how to format  ... 
[math-mode] [math-operators] [characters]
 

asked by Mr Pie https://tex.stackexchange.com/landing/r/digest?cta=user&id=185308 6 votes

answered by moewe https://tex.stackexchange.com/landing/r/digest?cta=user&id=35864 12 votes