10.54.1 Top new questions this week

10.54.1.1 How to Vertically Join Images?
10.54.1.2 How can I pass a constructed image path to \lettrine?
10.54.1.3 What is Causing This Phenomenon? Is it the Geometry Package?
10.54.1.4 Counter in Loop
10.54.1.5 Set all numbers greater than "X" bold, for decimal numbers
10.54.1.6 Aligning equations inside 'cases' with individual text tags in each row and equation labels
10.54.1.7 Molecule that is placed on the equal sign
10.54.1.1 How to Vertically Join Images?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724427

I know how to horizontally join images together; for example: 
\documentclass[12pt]{book} 
\usepackage{graphicx} 
\begin{document} 
\thispagestyle{empty} 
\includegraphics[width=0.25\linewidth]{example-... 
[graphics] [vertical-alignment] [alignment] [includegraphics] [concatenation]
 
asked by Jethro https://tex.stackexchange.com/landing/r/digest?cta=user&id=333073 Score of 6
answered by cabohah https://tex.stackexchange.com/landing/r/digest?cta=user&id=277964 Score of 7
10.54.1.2 How can I pass a constructed image path to \lettrine?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724117

I made a template that 
splits text into first letter and the rest 
creates a path to an image on disk based on the first letter 
I'm having issues with the next step: 
I'm trying to use \lettrine to ... 
[macros] [expansion] [text-manipulation] [lettrine]
 
asked by AnalyticsBuilder https://tex.stackexchange.com/landing/r/digest?cta=user&id=331726 Score of 6
answered by Ulrich Diez https://tex.stackexchange.com/landing/r/digest?cta=user&id=118714 Score of 5
10.54.1.3 What is Causing This Phenomenon? Is it the Geometry Package?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724422

Consider the code 
\documentclass[border=0pt]{book} 
\usepackage[paperwidth=5.625in,paperheight=0.125in]{geometry} 
%\paperwidth=5.625in \paperheight=0.125in 
\usepackage{xcolor} 
\pagecolor{red} 
\begin{... 
[color] [geometry] [paper-size]
 
asked by DDS https://tex.stackexchange.com/landing/r/digest?cta=user&id=314693 Score of 5
answered by Skillmon https://tex.stackexchange.com/landing/r/digest?cta=user&id=117050 Score of 7
10.54.1.4 Counter in Loop

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724371

I'm trying to set the color of every three items in a 5x3 pattern from a tikz picture: 
\documentclass{standalone} 
\usepackage{tikz} 
\begin{document} 
\begin{tikzpicture} 
\foreach \m in {1,2,3}{ 
\... 
[tikz-pgf] [conditionals] [loops]
 
asked by Matt Petersen https://tex.stackexchange.com/landing/r/digest?cta=user&id=331580 Score of 5
answered by Qrrbrbirlbel https://tex.stackexchange.com/landing/r/digest?cta=user&id=16595 Score of 7
10.54.1.5 Set all numbers greater than "X" bold, for decimal numbers

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724156

This is a follow up question to Set all numbers greater than "X" bold. 
How can I make it work for decimal numbers? 
Or if I have a mix of integer numbers and decimal numbers? 
Indeed, if I try ... 
[tables] [math-mode] [bold]
 
asked by BostonPlummer https://tex.stackexchange.com/landing/r/digest?cta=user&id=333470 Score of 5
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 6
10.54.1.6 Aligning equations inside 'cases' with individual text tags in each row and equation labels

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724439

I am looking to produce an equation with the three objectives outlined in the image below. I'm unable to use \tag inside 'cases' and have been unsuccessful with other attempts. As described in the ... 
[equations] [align] [cases] [aligned]
 
asked by jrjrjr https://tex.stackexchange.com/landing/r/digest?cta=user&id=141374 Score of 4
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 4
10.54.1.7 Molecule that is placed on the equal sign

https://tex.stackexchange.com/landing/r/digest?cta=question&id=724389

I have a display problem on an equation: one of the molecules appears on the equal sign but I don't understand why (I regularly use this package, and this is the first time this has happened to me) 
\... 
[chemmacros]
 
asked by Nicolas https://tex.stackexchange.com/landing/r/digest?cta=user&id=231550 Score of 4
answered by Joseph Wright https://tex.stackexchange.com/landing/r/digest?cta=user&id=73 Score of 6