9.82.1 Top new questions this week

9.82.1.1 The LaTeX Companion, Third Edition
9.82.1.2 B-Tree in TikZ without root node
9.82.1.3 How to fix this TikZ picture making arrows depart from the center of their table cells
9.82.1.4 Fitting a tikz graph to a ZY plane canvas
9.82.1.5 Draw planes in 3D using tikz
9.82.1.6 What is Latex's math mode font?
9.82.1.7 Wavy arrow with color shading
9.82.1.1 The LaTeX Companion, Third Edition

https://tex.stackexchange.com/landing/r/digest?cta=question&id=703756

I'm thinking of putting The LaTeX Companion, Third Edition on my wishlist for Christmas. In this regard I have a few questions: 
(1) According tohttps://www.informit.com/store/latex-companion-parts-i-... 
[books]
 
asked by Svend TveskA~\246g https://tex.stackexchange.com/landing/r/digest?cta=user&id=15874 Score of 21
answered by Frank Mittelbach https://tex.stackexchange.com/landing/r/digest?cta=user&id=10109 Score of 29
9.82.1.2 B-Tree in TikZ without root node

https://tex.stackexchange.com/landing/r/digest?cta=question&id=703660

I'm trying to reproduce the following tree structure with Tikz: 
Following several questions here I got the following snippet, which almost does the job, except for the fact that I am not able to ... 
[tikz-pgf] [tikz-trees] [trees]
 
asked by VoB https://tex.stackexchange.com/landing/r/digest?cta=user&id=162549 Score of 6
answered by Alan Munn https://tex.stackexchange.com/landing/r/digest?cta=user&id=2693 Score of 11
9.82.1.3 How to fix this TikZ picture making arrows depart from the center of their table cells

https://tex.stackexchange.com/landing/r/digest?cta=question&id=703749

I'm trying to represent in LaTeX a binary tree implementing a map data structure. Someone told me TikZ was the best tool for that, but I'm failing to achieve my goal. I find TikZ... overhelming? 
After ... 
[tikz-pgf] [tikz-arrows] [trees] [anchor]
 
asked by Federico Prat https://tex.stackexchange.com/landing/r/digest?cta=user&id=9361 Score of 6
answered by Jasper Habicht https://tex.stackexchange.com/landing/r/digest?cta=user&id=47927 Score of 7
9.82.1.4 Fitting a tikz graph to a ZY plane canvas

https://tex.stackexchange.com/landing/r/digest?cta=question&id=704922

I learned how to draw things in the ZY plane, but I didn't fully understand how it works. Below is my code: 
\documentclass{standalone} 
\usepackage{tikzducks} 
\usetikzlibrary{3d,graphs,graphdrawing} 
\... 
[tikz-pgf] [3d]
 
asked by Tianjian Qin https://tex.stackexchange.com/landing/r/digest?cta=user&id=298534 Score of 5
answered by J Leon V. https://tex.stackexchange.com/landing/r/digest?cta=user&id=154390 Score of 5
9.82.1.5 Draw planes in 3D using tikz

https://tex.stackexchange.com/landing/r/digest?cta=question&id=704879

I want to draw a series of planes in 3D, just like a picture in tikz-ducks documentation: 
I thought it might be easy but I was stuck at drawing the planes in 3D. My own code: 
\documentclass{... 
[tikz-pgf] [3d]
 
asked by Tianjian Qin https://tex.stackexchange.com/landing/r/digest?cta=user&id=298534 Score of 5
answered by samcarter_is_at_topanswers.xyz https://tex.stackexchange.com/landing/r/digest?cta=user&id=36296 Score of 4
9.82.1.6 What is Latex's math mode font?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=704956

I'm trying to create a figure in Python whose text matches (at least closely) Latex's math mode font. However, I'm not finding any information online that gives results close to the desired font, ... 
[fonts]
 
asked by Ryan White https://tex.stackexchange.com/landing/r/digest?cta=user&id=310892 Score of 4
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 6
9.82.1.7 Wavy arrow with color shading

https://tex.stackexchange.com/landing/r/digest?cta=question&id=703727

I would like to create a wavy arrow with a color gradient along the wave. For this, I tried to combine the solution fromhttps://tex.stackexchange.com/a/197867/96546 for color gradients with the ... 
[tikz-pgf] [color] [tikz-arrows] [gradient]
 
asked by Wolpertinger https://tex.stackexchange.com/landing/r/digest?cta=user&id=96546 Score of 4
answered by Daniel N https://tex.stackexchange.com/landing/r/digest?cta=user&id=218261 Score of 2