$\$$

\$

In MathJax, certain characters like "\$", "#", "%", and "&" have special meaning. To display these characters themselves, you can prefix them with a backslash "\".

$\And$

\And

The ampersand symbol "&" has special meaning in MathJax, so if you want to display the ampersand symbol itself, you can use either "&" or "\And".

$\yen$

\yen

The yen "\" symbol has special meaning in MathJax and is used for commands, so if you want to display the yen symbol, you need to use a specific notation.

$\checkmark$

\checkmark

$\diamondsuit$

\diamondsuit

It is the symbol used in playing card. Compared to a diamond shape, the edges are slightly concave inward.

$\heartsuit$

\heartsuit

It is the symbol used in playing card.

$\clubsuit$

\clubsuit

It is the symbol used in playing card.

$\spadesuit$

\spadesuit

It is the symbol used in playing card.

$\flat$

\flat

$\natural$

\natural

$\sharp$

\sharp

$\dagger$

\dagger

$\ddagger$

\ddagger