What is the use of LaTeX: Differences from Word and applicable scenarios

Key points of this article

LaTeX uses plain text source code to describe content and structure, compiles it to generate PDF, and manages content and layout separately.
What you see is what you get in Word, suitable for quick drafting, multi-person comments and daily office documents.
LaTeX is more suitable for long documents with many formulas, complex chapter numbers, and fixed templates in journals.
The two can work together: write the formulas and text in LaTeX first, and then export them when handed over to someone who only uses Word.
Before choosing, look at the submission requirements, collaborators and document length, rather than just which one is "more professional".

Many people see LaTeX for the first time in a paper template or journal submission instructions, and they will ask: What is LaTeX software used for? How is it different from the Word you usually use? If you're just writing a weekly newspaper, it's obviously not a necessity; but if you're writing a long paper with lots of formulas, cross-references, and references, it works very differently from Word.

This article is written for readers who are writing papers, graduation projects or technical documents, and also for people who are asked by their tutors or journals to "typeset with LaTeX". We will not talk about the history and underlying syntax of TeX. We will only explain what problems LaTeX solves, what Word is good at, and which one you should choose for your document based on its uses and workflow. After reading, you will be able to judge your own situation and know how to use the two together.

What kind of documents are suitable for LaTeX? One sentence conclusion

For long documents with many formulas, complex chapters and numbers, and the need to strictly abide by the journal template, it is more worry-free to use LaTeX; for documents with short content that require frequent collaborative comments, or the other party only accepts Word documents, it is more straightforward to use Word.

your situation	Recommended practices	reason
Science and engineering papers with many formulas, charts, and references	Written in LaTeX	Formula formatting specifications, cross-references and document numbers can be updated automatically
Journal or conference provides LaTeX template	Apply template directly to write	The layout, fonts, headers and footers have been set, reducing manual adjustments.
Daily reports, notices, plans and other short documents	for Word	What you see is what you get, it’s quick to get started and the team will generally open it up
Requires multiple people to comment online and make frequent revisions	Use Word or an online collaborative editor	Comments and revision records are intuitive, no need to understand the source code
The other party only accepts Word, but the document has many formulas.	Write in LaTeX and export to Word before delivery	Keep the advantages of formula typesetting when writing, and meet the other party's format when delivering

What is LaTeX software used for? what exactly is it

LaTeX is essentially a typesetting system suitable for writing structured academic and technical documents.

It is a system for "writing documents in text"

In LaTeX, you write content in plain text files, usually with a .tex extension. You annotate structure with short commands: here is a chapter title, here is a formula, this paragraph refers to Figure 3. Then it is handed over to the compiler, which generates PDF according to the set rules.

The fundamental difference with Word is that Word mixes content and format, and you directly adjust the font size and spacing on the page; LaTeX separates content and format, and the format is uniformly specified by the document class (such as a paper template), and you are only responsible for writing the content and structure. This means that by changing a template for the same source document, you can get the format required by another journal.

Its workflow: source file, compilation, output

Write source files: the text, formulas, image paths, and reference entries are written in text or sub-files respectively.
Compilation: The compiler reads the source file, formats it according to the template, and generates PDF.
Recompile after modification: Chapter numbers, figure numbers, formula numbers, and reference numbers will be automatically recalculated, so there is no need to manually change them one by one.

The advantage of this process is that the structure is stable, but the disadvantage is that after each modification, you have to compile to see the results, and you need to read the error message when reporting an error.

Common misunderstandings

Misunderstanding 1: LaTeX can only write mathematical formulas. Formulas are its strong point, but text, tables, charts, tables of contents, and references can also be handled with it.
Misunderstanding 2: Using LaTeX, the layout must be more professional. The quality of the layout depends on the template and the author's writing style. Modify the parameters at will, and the arrangement may still be confusing.
Misunderstanding 3: LaTeX is so difficult that only programmers can use it. Writing regular paragraphs and headings is not complicated. What really takes time is usually environment configuration and error troubleshooting, so beginners can use the online compilation environment first, or start directly from ready-made templates.

📊 Core comparison

Dimension	LaTeX	Word
Editing mode	Write the source code and view the results after compilation	WYSIWYG, write and read.
Formula	Input with grammar, typesetting specification, suitable for complex formulas	Input with formula editing function, simple formula is convenient
Long document structure	Automatic numbering of chapters, charts, cross-references and references	When there are too many numbers and references, extra maintenance is needed, which is easy to be misplaced.
Periodical format	Many journals provide official templates that can be applied directly.	There are often Word templates, but format constraints vary from journal to journal
Collaboration and annotations	Multi-person collaboration requires version management, and annotations are not intuitive.	Revisions and annotations are direct and friendly to non-technical personnel
Learning cost	Need to master basic syntax and compilation process	Get started quickly, and there is almost no threshold for basic functions.
Delivery format	Usually output PDF, can also be converted to Word	Deliver .docx files directly

# how to use it

If your document needs to switch between LaTeX and Word, you can process it in the following order:

Writing and revision : edit Word compatible documents in the UniDoc Page Editor (app.unidoc.top), support formulas, and support round-trip conversion between Word and LaTeX.
Export before delivery : when you need to send it to a partner who only uses Word, convert the content to a Word file and ask the other party to check whether the formula, number and reference are complete.
deal with PDF materials : download the desktop client from download.omnidoc.top, where the PDF editor can identify the scanned PDF by OCR, compare two PDF copies, or export to Word. OCR results need to be checked against the original text, especially formulas and numbers.
translate LaTeX source code package : OmniDoc document translation supports LaTeX source code package, you can choose bilingual control or only output translation, forms, formulas and pictures will be retained. Terminology or semantic deviations are inevitable in machine translation, and important paragraphs need to be confirmed one by one.

# which method is suitable for you?

-you need to write a paper, and the target journal provides a template: choose LaTeX and start with the official template. -you are writing notices, proposals, resumes or minutes: choose Word, which is more efficient. -you need both sides: write the core content in LaTeX or UniDoc first, export Word when delivery, and ask the collaborator to confirm the format.

# frequently asked questions (FAQ)

1. Can I use LaTeX without programming?

Sure. The basic grammar of LaTeX is not complicated, and most papers only need commands such as titles, paragraphs, formulas, charts and references. It is much easier to apply a ready-made template and then modify the content step by step than to configure it from scratch.

2. Will the format be lost when I convert LaTeX to Word?

Complex typesetting may require manual adjustment. Formulas, tables, and pictures are usually retained, but the headers and footers in custom commands, special layouts, or templates may not be exactly the same after conversion. It is recommended to check it page by page before delivery.

3. Do I have to use LaTeX when submitting articles?

It depends on the requirements of the journal or conference. Some only accept LaTeX source code, some accept PDF, and some require Word. Specific to the contribution guide shall prevail, check before writing, to avoid rework after writing.

# Summary

LaTeX separates content from layout, which is suitable for long documents with many formulas, complex structure and need to apply periodical templates, while Word is better than intuitive, convenient collaboration and suitable for most daily documents. When choosing, first look at the submission requirements and collaboration objects, and then look at the length of the document and the number of formulas, both of which can also be used together.

Open OmniDoc to edit, convert or translate your LaTeX document