3.15.1 Top new questions this week

3.15.1.1 Scots-Irish American surnames: Mc - how to achieve a range of aesthetically appealing raised-c with underscore?
3.15.1.2 What kind of integral is this?
3.15.1.3 Pros and Cons: pgfmath's mathematical expressions vs. l3fp's floating point expressions
3.15.1.4 TeX \newcommand and D.R.Y. (don't repeat yourself)
3.15.1.5 Why does `\coordinate` fail but `\node` succeed at an intersection of two paths?
3.15.1.6 How to HIDE and SHOW answer?
3.15.1.7 Spacing/aligning system of linear equations using systeme
3.15.1.1 Scots-Irish American surnames: Mc - how to achieve a range of aesthetically appealing raised-c with underscore?

https://tex.stackexchange.com/questions/364024/scots-irish-american-surnames-mc-how-to-achieve-a-range-of-aesthetically-appe

My last name is McAnulty, which generally receives a variety of pronunciations (this has never bothered me) most often Mick-Uh-Nulty, or Mick-Nulty, but I was raised to pronounce it Mack-Uh-Nulty,  ...
 

- asked by Dan McAnulty (49 votes), answered by egreg (36 votes)

3.15.1.2 What kind of integral is this?

https://tex.stackexchange.com/questions/362601/what-kind-of-integral-is-this

can anyone tell me what kind of package or what to type for getting an integral like this on the image, where the \frac{happines}{time} is below death? All the integrals I can find will push the frac  ...
 

- asked by Hogfeldt (19 votes), answered by TorbjA~,rn T. (18 votes)

3.15.1.3 Pros and Cons: pgfmath's mathematical expressions vs. l3fp's floating point expressions

https://tex.stackexchange.com/questions/363856/pros-and-cons-pgfmaths-mathematical-expressions-vs-l3fps-floating-point-expr

If the need for random generators first arises when writing code for the tikzpicture environment, as it did in my case, it is natural to end up looking for recipes in Section 89 of Tantau's TikZ  ...
 

- asked by Reinhard Neuwirth (13 votes), answered by Joseph Wright (16 votes)

3.15.1.4 TeX \newcommand and D.R.Y. (don't repeat yourself)

https://tex.stackexchange.com/questions/362577/tex-newcommand-and-d-r-y-dont-repeat-yourself

My goal is to create a list within a varwidth, and alternate the colors of each item. At the time, the best I could do is this: 
\documentclass{article} 
\usepackage[T1]{fontenc} 
...
 

- asked by Salvo Matteini (12 votes), answered by Andrew Swann (11 votes)

3.15.1.5 Why does `\coordinate` fail but `\node` succeed at an intersection of two paths?

https://tex.stackexchange.com/questions/364184/why-does-coordinate-fail-but-node-succeed-at-an-intersection-of-two-paths

The following code fails: 
\documentclass[border=5mm]{standalone} 
\usepackage{tikz} 
\usetikzlibrary{intersections} 
\begin{document} 
\begin{tikzpicture} 
\draw[help lines] (0,0) grid (10,10); 
\draw[very  ...
 

- asked by Josh Yao (9 votes), answered by Loop Space (7 votes)

3.15.1.6 How to HIDE and SHOW answer?

https://tex.stackexchange.com/questions/364558/how-to-hide-and-show-answer

I want to make a handout, which contains a lot of questions. 
I want a output of this: 
Another output is like this: 
The 3rd output is like this: 
Calculate 1+2 
Calculate 1+2+3 
...
 

- asked by Wu Guiping (8 votes), answered by Steven B. Segletes (7 votes)

3.15.1.7 Spacing/aligning system of linear equations using systeme

https://tex.stackexchange.com/questions/364486/spacing-aligning-system-of-linear-equations-using-systeme

Below is a picture of a system of linear equations whose solution is shown. (See the first system.) Notice that on the left side, the $x$ in the first row and the $y$ in the second row are too close.  ...
 

- asked by Gail (8 votes), answered by Steven B. Segletes (2 votes)