Best Tools for Mastering LaTeX Equations to Buy in October 2025
The LaTeX Companion (Tools and Techniques for Computer Typesetting)
The LaTeX Companion: Parts I & II (Tools and Techniques for Computer Typesetting)
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LaTeX Beginner's Guide: Create visually appealing texts, articles, and books for business and science using LaTeX
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LaTeX: A Document Preparation System
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To place a character or symbol below a function in LaTeX, you can use the \underset command, which is provided by the amsmath package. This command allows you to position a character or text directly underneath a mathematical symbol or function. The basic syntax is \underset{<below>}{<symbol>}, where <below> is the text you want to appear underneath, and <symbol> is the function or symbol above it. For example, to place text below a summation symbol, you would write \underset{text}{\Sigma}. Remember to include \usepackage{amsmath} in the preamble of your document to access this command.
What is the LaTeX command for bold text?
In LaTeX, you can make text bold by using the \textbf{} command. Here’s an example:
\textbf{This is bold text.}
This command can be used within any text section, such as inside a paragraph or within other environments that accept text content. If you are using the math mode and want to make symbols bold, you would typically use the \mathbf{} command or for more comprehensive options, packages like bm can be used for bolding more complex expressions.
What is the LaTeX command for mathematical symbols?
In LaTeX, mathematical symbols are typically created using a combination of backslashes, special characters, and specific commands. Below are some common commands for mathematical symbols in LaTeX:
- Greek Letters: Lowercase: \alpha, \beta, \gamma, \delta, ..., \omega Uppercase: \Gamma, \Delta, \Theta, \Lambda, \Xi, \Pi, \Sigma, \Upsilon, \Phi, \Psi, \Omega
- Basic Arithmetic: Addition: + Subtraction: - Multiplication: \times or \cdot Division: \div or /
- Relations: Equals: = Not equal: \neq Less than: < Greater than: > Less than or equal to: \leq Greater than or equal to: \geq
- Set and Logic Symbols: In: \in Not in: \notin Subset: \subset Superset: \supset Union: \cup Intersection: \cap
- Miscellaneous Symbols: Infinity: \infty Partial derivative: \partial Integral: \int Summation: \sum Product: \prod Square root: \sqrt
- Arrows: Right arrow: \rightarrow Left arrow: \leftarrow Up arrow: \uparrow Down arrow: \downarrow
- Binary Operators: Union: \cup Intersection: \cap Logical AND: \land Logical OR: \lor
These commands are typically used within math mode in LaTeX, which is invoked using $...$ in inline math mode or \[...\] or \begin{equation}...\end{equation} for display math mode.
Here is an example of how you could use some of these symbols in a LaTeX document:
\documentclass{article} \begin{document} Here are some mathematical symbols: $\alpha, \beta, \gamma, \infty, \leq, \geq$.
An equation: \[ ax^2 + bx + c = 0 \]
A summation: \[ \sum_{i=1}^n i = \frac{n(n+1)}{2} \] \end{document}
Make sure to compile your LaTeX document with a suitable engine like pdflatex or similar to see the rendered output.
How to format text in LaTeX?
LaTeX provides a variety of commands and environments for formatting text in your documents. Here are some of the basic ones you'll commonly use:
Font Styles and Sizes
- Bold: Use \textbf{your text} to make text bold.
- Italics: Use \textit{your text} to italicize text.
- Underline: Use \underline{your text} to underline text.
For font sizes, you can change them using the following commands:
- \tiny
- \scriptsize
- \footnotesize
- \small
- \normalsize
- \large
- \Large
- \LARGE
- \huge
- \Huge
Text Alignment
To align text, you can use:
- Left-aligned: Default text alignment in LaTeX outside of specific environments.
- Center-aligned: Use the center environment: \begin{center} Center-aligned text \end{center}
- Right-aligned: Use the flushright environment: \begin{flushright} Right-aligned text \end{flushright}
Lists
For creating lists, LaTeX offers:
- Itemized (unordered) lists: \begin{itemize} \item First item \item Second item \end{itemize}
- Enumerated (ordered) lists: \begin{enumerate} \item First item \item Second item \end{enumerate}
Quotations
To include block quotations, use the quote or quotation environments:
- Quote: \begin{quote} This is a block quotation. \end{quote}
Code Blocks
For verbatim text (like code snippets), use the verbatim environment:
\begin{verbatim} Some code or text that preserves spaces and line breaks. \end{verbatim}
Custom Commands
You can define your own text formatting commands with \newcommand. For example:
\newcommand{\important}[1]{\textbf{\textit{#1}}}
Then use it as:
\important{This text is bold and italicized.}
Page Formatting
When you need to start a new page or format the page layout:
- New Page: Use \newpage or \clearpage to start a new page.
Remember
- Always use proper environments and commands for text formatting to ensure consistent styling throughout your document.
- Set global document settings, like font size and margin, in the document class options (e.g., \documentclass[12pt]{article}).
This should give you a solid foundation for formatting text in LaTeX. As you become more familiar with it, you'll discover that LaTeX offers even more advanced tools for customization and formatting.
How to handle citations in LaTeX?
Handling citations in LaTeX involves using a bibliography management package, with BibTeX, natbib, biblatex, and more as popular options. Here's a general guide on how to work with citations in LaTeX using these tools:
Using BibTeX
- Create a .bib file: This file will store your bibliography entries in a format understandable by LaTeX. Example references.bib: @article{smith2020, author = {John Smith}, title = {An Interesting Article}, journal = {Journal of Interesting Stuff}, year = {2020}, volume = {5}, pages = {123-145}, }
- Include the bibliography in your LaTeX document: You can do this by using the \bibliography command. Example LaTeX document: \documentclass{article} \begin{document} This is an example of a citation \cite{smith2020}. \bibliographystyle{plain} \bibliography{references} \end{document} Here, plain is a common bibliography style, but there are many others, such as abbrv, alpha, ieeetr, etc.
- Compile your document: Run the compilation process which might look like this: pdflatex mydocument.tex bibtex mydocument pdflatex mydocument.tex pdflatex mydocument.tex This sequence ensures all references are correctly cited and formatted.
Using natbib
natbib is particularly useful for author-year citation styles.
- Load natbib in your preamble: \usepackage{natbib}
- Use citation commands provided by natbib: \citet{smith2020} for textual citations: "Smith (2020)" \citep{smith2020} for parenthetical citations: "(Smith, 2020)"
- Specify the bibliography style: Use styles compatible with natbib, like plainnat, abbrvnat, etc.
Using biblatex
biblatex offers more flexibility than BibTeX and allows you more control over the bibliography format.
- Load biblatex in your document preamble: \usepackage[style=authoryear,backend=biber]{biblatex} \addbibresource{references.bib} This specifies the bibliography style and the backend processor (biber).
- Cite using biblatex commands: \cite{smith2020} \textcite{smith2020} for textual citations
- Compile your document: Ensure the biber tool is used. pdflatex mydocument.tex biber mydocument pdflatex mydocument.tex pdflatex mydocument.tex
Each of these bibliographic systems offers its own set of features and flexibility, and the choice often depends on your needs and the requirements set by publishers or institutions.