7.1.1 Top new questions this week

7.1.1.1 LaTeX \newcommand recursion gets very slow

https://tex.stackexchange.com/landing/r/digest?cta=question&id=576865

I am writing a GCD calculator in LaTeX. 
Here I wrote Euclid's recursive algorithm, which should work with logarithmic time. 
The code here counts GCD of 377 and 233 (which is 1). The code works fine, ... 
[latexmk] [recursion]
 

asked by DKozl https://tex.stackexchange.com/landing/r/digest?cta=user&id=231894 17 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 17 votes

7.1.1.2 Computing a square root in TeX

https://tex.stackexchange.com/landing/r/digest?cta=question&id=577304

We can simply compute approximations of the square roots of numbers, using these (mainly pure TeX) macros. 
\documentclass{article} 
\begin{document} 
\newcount\liczba 
\newcount\kwadrat 
\def\sqroot#1{\... 
[tikz-pgf] [macros] [pdftex] [luatex] [number]
 

asked by PrzemysAo\202aw Scherwentke https://tex.stackexchange.com/landing/r/digest?cta=user&id=26134 10 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 15 votes

7.1.1.3 Horizontal Line in Array

https://tex.stackexchange.com/landing/r/digest?cta=question&id=576963

Good evening, 
I'm trying to achieve following picture in latex, but i can't do it. Can someone help me? 
This is what I have so far: 
\documentclass[a4paper,12pt]{scrartcl} 
\usepackage{booktabs} 
\... 
[math-mode] [matrices] [line] [horizontal]
 

asked by Francesco Tallarico https://tex.stackexchange.com/landing/r/digest?cta=user&id=231970 9 votes

answered by Werner https://tex.stackexchange.com/landing/r/digest?cta=user&id=5764 12 votes

7.1.1.4 Center with equal amount of text per line

https://tex.stackexchange.com/landing/r/digest?cta=question&id=576930

If I center the first sentence of lorem, traditional 
use of the center environment will result in text like so: 
However, suppose I want to center the text such that the length of each line is equal. 
... 
[horizontal-alignment]
 

asked by andrewgazelka https://tex.stackexchange.com/landing/r/digest?cta=user&id=140206 9 votes

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

7.1.1.5 Variable number of repeating command in macros

https://tex.stackexchange.com/landing/r/digest?cta=question&id=577305

I am quite new to Latex and for the past few days I have been struggling to create a macro to insert schemes with labels. I use .eps files for my schemes which include a temporary marker that is then ... 
[macros] [chemstyle]
 

asked by piggy https://tex.stackexchange.com/landing/r/digest?cta=user&id=174013 7 votes

answered by Ulrich Diez https://tex.stackexchange.com/landing/r/digest?cta=user&id=118714 6 votes

7.1.1.6 Inline chess symbols

https://tex.stackexchange.com/landing/r/digest?cta=question&id=577377

I want to put chess symbols inline in my document. I know that, using skak, I can produce nice looking inline symbols with commands like \symking, etc. However, these are only white, and I need white ... 
[inline] [resize] [chess] [skak]
                                                                                  

                                                                                  
 

asked by The Ledge https://tex.stackexchange.com/landing/r/digest?cta=user&id=167657 7 votes

answered by Steven B. Segletes https://tex.stackexchange.com/landing/r/digest?cta=user&id=25858 8 votes

7.1.1.7 Custom \sqcap operators

https://tex.stackexchange.com/landing/r/digest?cta=question&id=577110

I want to ask for something similar to Horizontal lines in \sqcup and \sqcap 
But instead of the alignment asked in that question, I want the horizontal line to align vertically to a minus sign and the ... 
[math-mode] [amsmath] [math-operators]
 

asked by FR09 https://tex.stackexchange.com/landing/r/digest?cta=user&id=230774 7 votes

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 7 votes