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Inline Mathematics ------------------ Inline mathematics can be written in two ways. They can be enclosed within \begin{md}`$`\end{md} and \begin{md}`$`\end{md}, or \begin{md}`\(`\end{md} and \begin{md}`\)`\end{md}. For example, typing `$ e^{i \pi} + 1 = 0 $` or `\( e^{i \pi} + 1 = 0 \)` in the code pane produces the following output in the output pane: $ e^{i \pi} + 1 = 0 $. Displayed Mathematics --------------------- Displayed mathematics appears on its own line in the output. To render displayed math, they can be enclosed within \begin{md}`$$`\end{md} and \begin{md}`$$`\end{md}, or \begin{md}`\[`\end{md} and \begin{md}`\]`\end{md}. For example, typing `$$ e^{i \pi} + 1 = 0. $$` or `\[ e^{i \pi} + 1 = 0. \]` in the code pane produces the following output in the output pane: $$ e^{i \pi} + 1 = 0. $$ Apart from this, many LaTeX environments such as `equation`, `align`, etc. are also supported. Text ---- Mathematics and text can be mixed freely while posting a mathematics snippet. Text is written in Markdown format. As you can see, this tutorial itself is another post, so you can compare the code in the code pane with the output in output pane as you read this tutorial. A new paragraph begins by placing a blank line in the code. This is a new paragraph. Check the code pane on to ensure that there indeed is a blank line between this paragraph and the previous one. A code fence can be created by writing three consecutive backticks (` ``` `) on its own line. Code blocks are placed between two code fences: ``` #include <stdio.h> int main(int argc, char **argv) { printf("hello, world\n"); } ``` Ordered lists can be written by numbering each line: 1. Apple 2. Mango 3. Banana Unordered lists can be written by using an asterisk (`*`), plus sign (`+`), or minus sign (`-`) as bullet for each item in the list: - Apple - Mango - Banana Enclose text within a pair of asterisks to *emphasize* it. Enclose text within a pair of double-asterisks to **emphasize it strongly**. Underscores may be used instead of asterisks to add emphasis too. Various other features are supported in Markdown such as inline code, blockquotes, horizontal rules, etc. This website conforms to GitHub Flavoured Markdown (GFM) specification. Note that GFM is a strict superset of CommonMark. LaTeX ----- This website uses [MathJax][M1] to render mathematics on the web browser. See [MathJax: Supported TeX/LaTeX commands][M2] for a list of LaTeX commands supported by MathJax. Markdown -------- This website supports GitHub Flavoured Markdown (GFM). GFM is a strict superset of the CommonMark specification of Markdown. See the [GitHub Flavoured Markdown Specification][G1] for more details on the specification. TeXMe ----- This website uses [TeXMe][T1] to allow mixing LaTeX with Markdown. TeXMe reads the input and renders it while preventing the Markdown renderer from seeing the LaTeX code, so that the LaTeX code remains intact for rendering by MathJax. However, when Markdown code contains mathematics delimiters like \begin{md}`$`\end{md}, \begin{md}`\(`\end{md}, etc., TeXMe may identify them as mathematics instead of Markdown code as intended. To prevent mathematics delimiters in Markdown code from being interpreted as LaTeX, enclose the Markdown code within \begin{mdx}`\begin{md}`\end{mdx} and \begin{mdx}`\end{md}`\end{mdx}. Here's an example: \begin{mdx} ``` > The variables \begin{md}`$foo`\end{md} and > \begin{md}`$bar`\end{md} are metasyntactic > variables. ``` \end{mdx} Here is how the above code is rendered in the output: > The variables \begin{md}`$foo`\end{md} and > \begin{md}`$bar`\end{md} are metasyntactic > variables. See [TeXMe: Markdown Priority Environment][T2] to learn more about this. Print ----- While the primary purpose of this website is to allow users to write mathematical snippets, save them, and share a link to them with others, the stylesheet used in this website takes special care to allow printing beautifully rendered pages to paper or PDF. When a page from this website is printed, only the rendered content appears in the print. The input form, buttons, navigation links, and other user interface elements do not appear in the print. Save PDF -------- It is possible to turn a post on this website into a PDF file using the printing facility of most web browsers running on a desktop or laptop. The exact steps to save a web page as PDF vary from browser to browser but the steps to do so roughly look like this: - Select File > Print from the web browser menu. - Then in the print window or dialog box that comes up, deselect/disable the options to print headers and footers. - Finally, choose the option to save a PDF. You can try the above steps right now with this page and save this page as PDF. If everything works as expected, the saved PDF should contain only the rendered content with all mathematical formulas rendered properly. This website has special styling rules to ensure that the input form, buttons, navigation links, and other user interface elements do not appear in saved PDF. [M1]: http://www.mathjax.org/ [M2]: https://docs.mathjax.org/en/latest/input/tex/macros/ [G1]: https://github.github.com/gfm/ [T1]: https://github.com/susam/texme#texme [T2]: https://github.com/susam/texme#markdown-priority-environment
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Sun, 25 Mar 2012 00:00 GMT