How to write the letter θ as bold and not italic?  I have tried the following but it gives me the θ as italics and not bold:  \textbf{$\theta$}
8532
To make Latin-letter variables bold I can use e.g. \mathbf{a}, but while putting Greek letters or symbols such as \nabla inside \mathbf doesn't cause any errors or warnings, it also doesn't do anything else.  What is the best way to make bold math symbols, in particular Greek letters and \nabla?
121350
I'm using XeLaTeX to compile my document. If I write in my document --- I don't get —, but --- in my PDF document. Same for – (--) character. I'm sure that font which I'm using have this character (Myriad Pro). Are there other ways to get this characters working?If copy&amp;paste this character, it works then. But never when using -- or --- shortcuts.
102424
My issue is that I'm trying to write variable names in italic, but as some of them have underscores in their names, LaTeX assumes that I am writing an equation and it messes up the rest of my document after that point. Here is a sample of my code: As variable \textit{sensor.linear_acceleration} is a matrix  The underscore in linear_acceleration is what makes my whole document math modded, and is a matrix renders as if it was an equation. How can I display that underscore in italic without LaTeX making everything an equation?
100506
I see bold and italics button but no inline code while it uses quite an uncommon syntax (back ticks, `` - the syntax is good, just not very obvious). It would be convenient to have this button.  Related but not the same:
106706
It is common (or it used to be) to use a blackboard-bold variant of \mu to denote roots of unity in some mathematical papers.  However, despite searching (several times, periodically over several years) I have never been able to locate any package or technique that makes this possible, other than using Metafont or possibly hunting through the font definitions to see if it is something I can create a variant of (along the lines of the suggestions in Section 8 of the Comprehensive LaTeX symbol list).  Thus far, I haven't been sufficiently motivated to learn how to do any of this (although it probably would have resulted in a net time savings), and I feel like I cannot be the only person who would have tried.  Is anyone aware of an existing way to produce this character?
59824
How can we make First letter Capital while using trigonometric functions. eg: \cos (60^\circ) gives simple cos (all in small). What is needed is 'Cos' (with initial capital). For italics in mactex i used \it but it didn't italicized 'cos' only the number '60'. So how to do that?
121826
What is the font that LaTeX uses as default for: the notmal text, the \bfseries, the \itshape etc and all commands and definitions in the table 43 at page 131 of  guide?  I have found some fonts in this directory: C:\texlive\2011\texmf-dist\fonts\opentype\public\lm. I suppose that the default font for math is lmmath-regular.otf, right?
18666
amsfonts doesn't have lowercase caligraphic letters, so when you do $\mathcal{Hello World}$ you get some odd results. (Likewise for \mathbb I believe)  Now, what surprises me is not that there aren't lowercase mathcal letters, but that given this, the document compiles at all! What is going on that means that \mathcal{lowercase} is interpreted as being a string of random symbols? It seems what letter gets turned in to what symbol is constant, so this isn't just random: there's a reason why this happens as it does.  What is going on? Can some explain the details of what's happening beneath the surface that means that LaTeX interprets lowercase letters inside \mathcal as a variety of mathematical symbols?  [I don't understand enough to work out what tags would be relevant here...]
108318
When it is requested to write letter "í" in math mode, it happens that $\acute{i}$ is not the right answer as it could be expected: the accent (´) is written over the letter (i), without deleting/overwriting the upper dot (^{.}) Another possiblity to solve the problem: $\acute{\imath}$, not always works satisfactorily. Is there another way to do it, obtaining an acceptable/appropriate character?
68973
MWE:  \documentclass{article}  \usepackage{bm}  \begin{document} $$x(t), \bf{x}(t), \bf{x(t)}$$ \end{document}   Result:    Question:  Why are the second and third x(t) typeset the same? In the second  expression, it was asked to apply \bf to only x.  EDIT:  I had not payed attention to it when asking the question, but I would like to have a bold and italic x.
53529
Private beta  shows **private beta** instead of making the text bold. Based on this question the  on the login page (however 4 years ago it was shown in italics).
118947
In one-letter subscripts, like $x_i$, the subscript is usually typeset italic.  Is this the typographically right thing to do? Consider this case:  The Boltzmann constant is often written as $k_B$, which is short for $k_{Boltzmann}$. But the lengthy Boltzmann looks strange if typeset all italic. So I usually write $k_{\mathrm{Boltzmann}}$.  But shouldn't then, for consistency, the B in $k_B$ also be upright? And how about the i in $x_i$?
47574
I often find myself adding a lot of \textsl{} around inside \emph{} or \textit{} blocks because I find italicized digits to look too "showoffy" and "baroque" and to hinder legibility (I'm using $$ when the number has a mathematical sense, but this situation occurs in less technical texts like CVs, and such.).  Could someone help me write a renewcommand to automate this, or better, a single low level command that makes \emph, \itshape, \textit and friends choose slanted over italic for numbers? I'm not too familiar with the low level latex font selection system nor with a way to detect digits from regular letters.  Edit: MWE of what I need and what I want to avoid  \documentclass{article} \begin{document} He thought: '\emph{Why 1234567890 apples?}' then he realized '\emph{ah yes, he has \textsl{1234567890} childs}' \end{document}   gives:   I find the italicized version (first one) of 2,3,4 and 7 to look especially bad.
54814
I am using MiKTeX 2.5 version. Is there any possibility to change the small caps fonts in italic shape?  I had tried as like below   \textit{\textsf{Small Caps}}% This will gives the Regular Small caps output. \textsf{\textit{Small Caps}}% This will gives the italic output.   Could you please help me on this?
45847
I am using svjour3 class to draft my manuscript and have many \usepackage in it. The capital greek letters are rendered italic in the output. svjour3 could be obtained from   Following is a example (the symbols are italic even when no extra packages are loaded)  \documentclass{svjour3} \usepackage{amsmath}  \begin{document} This is just the beginning. \\ This is $\Sigma, \Theta$ in italics and I don't want them to be.  \end{document}     How to avoid this? Please do not suggest \usepackage{upgreek}.   PS: This manuscript I am writing constitutes of abstracts from my thesis, these symbols render correctly in my thesis Latex draft. There would be many other manuscripts and reports simultaneously going on and I want consistency in all. I believe the problem is created by the class file.
109227
I want to write an equation with bold extended brackets.  For instance in:   \left[ \frac{1}{2} \vec{\nabla} \times \vec{v} \right]   I want \left[ and \right] to be bold. I already tried  nothing is doing the trick.
70780
In this MWE, I want to obtain bold letter for the letter "H" (compare the two "H") :  \documentclass[10 pt]{beamer} \usetheme{default} \usepackage{lmodern} % load a font with all the characters \usepackage{fontspec} \usepackage{cmbright} \SetSymbolFont{largesymbols}{normal}{OMX}{iwona}{m}{n} \usepackage{amsmath}%loads amsmath that should go before unicode-math \usefonttheme{professionalfonts} \defaultfontfeatures{Mapping=tex-text}  % This seems to be important for mapping glyphs properly  \begin{document} \begin{frame} \[ \mbox{First bold H : }\|x\|_{\mathbf{H}},\; \mbox{Second bold H : }\mathbf{H}  \] \end{frame} \end{document}   but I don't know how doing it. THe "H" produced by this MWE is tiny but no bold effect. If I use      \SetSymbolFont{largesymbols}{normal}{OMX}{iwona}{m}{n}   I obtain bold tiny "H" but the font used still not the same.