Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems

Possible Duplicate: How to look up a symbol? Escape character in LaTeX In the itemize environment, how do I use the ampersand symbol & without LaTeX trying to use it as a command?

由于需要开发工具使用 VSCode，目前编辑 LaTeX也是使用此编辑器。 之前使用的扩展效果一般，最近提示有另外一个更好的LaTeX扩展（LaTeX Workshop），目前体验还行。

必须声明： 用LaTeX不是为了装X，而是为了方便 （至于你是不是装X，我真不知道）。 LaTeX能做的Word（和PPT）肯定能做，而Office系列也远比我们想象的要强大。 我认为用LaTeX不分什么人或 …

Apr 14, 2016 · I can't get a ± symbol to show up in my .pdf document, whether it be within a table, or in the main body of text. Can anyone offer any assistence ? I have read everywhere it is \\pm and …

Sometimes the symbol := is used to denote a definition. For example, X:=Y+Z means that X is defined to be Y+Z. When using LaTeX, can I just use $:=$, or do I need to do something special?

1076 How does one insert a "\" (backslash) into the text of a LaTeX document? And how does one insert a "~" (tilde)? (If you insert \~, it will give you a tilde as an accent over the following letter.) I believe …

Aug 29, 2025 · LaTeX的使用还需要一定的熟练度，仍有时间的读者还可以考虑： 试着用LaTeX抄几页书籍或者写几页文章，增加熟练度； 配置Visual Studio Code上的LaTeX，探索效率更高的编辑器； 研 …

LaTeX still supports it for one reason or another, but the "proper" one to use, as defined in the specifications, is \[ ... \]. All this just means that they are not promising that $$ will always work. So it …

Mar 20, 2012 · The LaTeX command is \symbol. You can see that LaTeX default underscore does not use char 95 when encoding is OT1, because it occasionally fails depends on the font (i.e., the …