Writing mathematical formulas is an integral part of scientific work and education. However, not all word processing programs provide convenient tools for writing formulas. In this article, we will look at several popular tools for writing mathematical formulas in the Linux operating system.

In addition to being compatible with various types of mathematical equations and formulas, they are completely free and open source. Consider all of the options below to find the one that best suits your needs.

## 1. ONLYOFFICE

Kit ONLYOFFICEis probably the most versatile tool for writing equations on this list. The fact is that this open source office suite allows you not only to work with mathematical formulas, but also to create, edit and collaborate on text documents, spreadsheets, presentations, fillable forms and even PDF files on any platform – web, desktop and mobile computers.

ONLYOFFICE text editor has a built-in tool that allows you to create various equations using ready-made templates, easily edit them and add special characters such as mathematical operators, Greek and Latin letters, etc.

Currently ONLYOFFICE supports the following categories: Scripts, Symbols, Fractions, Integrals, Radicals, Functions, Large Operators, Parentheses, Accents, Limits and Logarithms, Operators and Matrices.

You can create new equations from scratch, enter different values, format your equations, remove unnecessary elements, and even convert equations created with older versions of Microsoft software.

It is important to note that the ONLYOFFICE package is compatible with Unicode and LaTeX syntax, which makes it easier to perform mathematical operations.

You can download the free desktop version of the package for your Linux distribution from the official website, or deploy a self-configuring version of the package on your Linux server to be able to write and edit math formulas and equations, as well as work with other office files.

## 2. LibreOffice Math

LibreOffice Math is one of the components of the LibreOffice office suite that you will find as the default application on many popular Linux distributions. It is an open source formula editor that can be run while working on word processing documents, spreadsheets, presentations, and drawings.

Math allows you to insert and format various mathematical and scientific formulas. You can add a large number of elements ranging from fractions, integrals, subscripts, and math functions, inequalities, and matrices.

The best thing about Math is that you can run it as a standalone application and work with your equations as independent objects. In addition, you can open Math in other LibreOffice applications (such as Writer, Impress, Calc, and Draw) to be able to create and edit mathematical formulas in text documents, presentations, spreadsheets, and drawings.

## 3. KLatexFormula

KLatexFormula is a lightweight application with an easy-to-use graphical user interface. With this program, you can generate images from LaTeX equations, and this feature sets KLatexFormula apart from the other tools on this list.

When you create images, you can drag and drop them or simply copy and paste them into other applications (such as word processing documents, presentations, graphics, etc.). Moreover, you can save these images to your hard drive in any format you want, such as PNG, JPG, BMP, EPS, PDF, and so on.

In addition to the graphical user interface, KLatexFormula comes with a command line interface and a C++ library that can be used to perform the same task of generating images from LaTeX equations.

KLatexFormula is an open source application and its source code is released under the GNU General Public License.

## 4. LyX

Luxury is an open source document processor based on LaTeX, an open source typing engine that has a WYSIWYM (What You See Is What You Mean) approach.

Key features of LyX include a math formula editor, a copy/paste tool, and support for custom math macros and various computer algebra systems. Using LyX, you can enter equations using a point-and-click interface or from the keyboard by typing LaTeX commands.

LyX is the right choice if you need to create complex documents such as white papers, doctoral dissertations and conference proceedings with mathematical formulas and equations, hundreds of chapters and sections, thousands of footnotes and embedded graphics.

## 5. EqualX

EqualX is an open source application licensed under the General Public License version 3. This is not a full-featured LaTeX editor, but an equation writing tool with an interesting set of features.

If you don’t know LaTeX syntax, don’t worry, the Templates toolbar has the most common equations you can choose from.

Syntax highlighting makes writing equations easier and more predictable. Once your equation is ready, you can export it to one of the most popular formats such as PDF, PNG, JPG, SVG and more.

In addition, you can create bookmarks for quick access to frequently used equations. The Library History feature allows you to keep track of each equation you create.

Summing up, we can say that EqualX allows you to use the capabilities of TeX / LaTeX to write equations. However, it is not the best choice for writing entire documents or articles. In this case, you will need more advanced software.

## Final words

As you can see, there are many powerful equation writing tools that you can use as a Linux user. They offer different approaches to the process of creating mathematical formulas, but they all get the job done. The best strategy is to try each program on the list to find the one that works best for your needs.

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