6.76.1 Top new questions this week

6.76.1.1 LaTeX \newcommand recursion gets very slow
6.76.1.2 Horizontal Line in Array
6.76.1.3 How to write Euler's e with its special font
6.76.1.4 Cline not connecting fully in table with custom lines
6.76.1.5 Problem with mathematical text in xelatex
6.76.1.6 Center with equal amount of text per line
6.76.1.7 How do I get chemgreek to use I^\272 instead of I"Degree with fontspec and newcomputermodern?
6.76.1.1 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 13 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 14 votes
6.76.1.2 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
6.76.1.3 How to write Euler's e with its special font

https://tex.stackexchange.com/landing/r/digest?cta=question&id=576578

I have searched but its surprisingly difficult to find, I want an e that looks like this one instead of the default e: 
[fonts] [formatting] [euler]
 
asked by Stephan Psaras https://tex.stackexchange.com/landing/r/digest?cta=user&id=231772 8 votes
answered by Vincent https://tex.stackexchange.com/landing/r/digest?cta=user&id=201628 12 votes
6.76.1.4 Cline not connecting fully in table with custom lines

https://tex.stackexchange.com/landing/r/digest?cta=question&id=576912

I have a table with two thick lines (one horizontal and one vertical) and with multirow and multicolumn cells. Now one of the clines is not connecting where I want it to. 
This is what I have to create ... 
[tables] [cline]
 
asked by Simon https://tex.stackexchange.com/landing/r/digest?cta=user&id=231939 7 votes
answered by leandriis https://tex.stackexchange.com/landing/r/digest?cta=user&id=134144 5 votes
6.76.1.5 Problem with mathematical text in xelatex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=576949

For some reason, the mathematics portion (like sin, cos etc.) of devanagari document is also in devanagari. Here is a mwe: 
\documentclass{article} 
\usepackage{unicode-math} 
\setmainfont{AnnapurnaSIL-... 
[xetex]
 
asked by S. Venkataraman https://tex.stackexchange.com/landing/r/digest?cta=user&id=142225 7 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 7 votes
6.76.1.6 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 7 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 8 votes
6.76.1.7 How do I get chemgreek to use I^\272 instead of I"Degree with fontspec and newcomputermodern?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=576859

Yesterday I appeared to find the perfect bit of magic code for my thesis, however, I noticed LaTeX is using the cursive version of kappa (I"Degree) instead of the symbol chemistry uses for denticity (I^\272). 
I"Degree ... 
[fonts] [luatex] [fontspec] [greek] [chemgreek]
 
asked by Canageek https://tex.stackexchange.com/landing/r/digest?cta=user&id=7880 7 votes
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 6 votes