LaTeX Math Formatting is Available

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Super Moderator
Staff member
Oct 6, 2005
A system called LaTeX formats mathematical expressions in the forum, to appear just as they do in textbooks. Using LaTeX in your posts requires learning programming codes and syntax. You can google for tutorials and examples. References and examples appear below. (As an alternative to LaTeX, the purplemath site explains on four pages how to format math expressions using plain text, and this other site offers many math symbols for copy-and-paste.)

Also, be forewarned: There are different implementations of LaTeX on the Internet; not everything you may see elsewhere works the same way here (if at all).

At this site, each line (or set of lines) of LaTeX coding must be enclosed within \(\displaystyle \text{[te}\text{x]}\) and \(\displaystyle \text{[/te}\text{x]}\) tags OR \(\displaystyle \text{[ma}\text{th]}\) and \(\displaystyle \text{[/ma}\text{th]}\) tags OR \͏[ and \͏] tags. Each of those three tag options will default to display style. If you would like to force inline style, then use the tags \͏( and \͏), instead.

While composing your post, you can insert a pair of tags by clicking the 'Add LaTeX…' toolbar icon (it looks like a calculator, to the right of the flag icon). Or, you can simply type the tags.

If you'd like to view the specific coding for any LaTeX expressions in this forum, right-click the expression and use the pop-up menu to: Show Math As > TeX Commands.

Here's an example of LaTeX (right-click it):

\[cos\bigg( \frac{\pi}{3} \bigg) \cdot \int_{a}^{b} \frac{3x^{3} + 7x - 10}{\sqrt[3]{x + 4}} \; \text{dx}\]


Introductory LaTeX Math Coding

List of LaTeX mathematical symbols (wiki)

LaTeX Code and Image Generator

\[ \frac{A}{B} = C^{2} \quad \quad \sqrt{x^2} = |x| \]

1 & 0 \\
0 & 1

Moderator Note: MathJax renders LaTeX at this site. Due to an issue with their service, the example below is currently under construction.

1 + 2 &= 3 \\
1 &= 3 - 2 \\
5 - (1 + 2) &= 5 - 3

\[\lim_{x\to\infty} f(x)\]

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