# How to Use LaTeX in Markdown

Markdown natively supports writing mathematical formulas and symbols using LaTeX.

## Font Styles

• Line break: \\
• Space: \
• Center alignment: wrap with 
• Font styles: bold: \mathbf, italic: \mathit
• Font sizes: \tiny, \scriptsize, \small, \normalsize, \large, \Large, \huge, \Huge
• Color: \color{color_value}{text/symbol}
• Comment: \text{content}

## Arithmetic Operations

• Dot product: \cdot
• Cross product: \times

## Superscript / Subscript

• Superscript: ^
• Subscript: _
• If nested, use {} to enclose.

Example: $$\(X^{2m}_{3n}$$\)

## Overline / Underline

• Overline: \overline
• Underline: \underline

Example: $$\(\overline{x^2+a+b}$$\)

## Fractions

Representation of fractions: \frac{numerator}{denominator}

## Systems of Equations

Method 1: \begin{array}{c} expression_1\\expression_2... \end{array} Method 2: \begin{cases}…\end{cases}

## Square Root

Format: \sqrt[n]{x}, where n represents the root index and x represents the radicand.

## Greek Letters

Greek Letter (uppercase) Expression Greek Letter (lowercase) Expression
A A α \alpha
B B β \beta
Γ \Gamma γ \gamma
Δ \Delta δ \delta
E E ϵ \epsilon
Z Z ε \varepsilon
H H η \eta
Θ \Theta θ \theta
I I ι \iota
K K κ \kappa
Λ \Lambda λ \lambda
M M μ \mu
N N ν \nu
Ξ \Xi ξ \xi
O O ο \omicron
Π \Pi π \pi
P P ρ \rho
Σ \Sigma σ \sigma
T T τ \tau
Υ \Upsilon υ \upsilon
Φ \Phi ϕ \phi
- φ \varphi
X X χ \chi
Ψ \Psi ψ \psi
Ω \Omega ω \omega

## Operators

Operator Expression Operator Expression
± \pm \emptyset
× \times \in
÷ \div \notin
\mid \subset
\cdot \supset
\circ \subseteq
\ast \supseteq
\bigodot \bigcap
\bigotimes \bigcup
\bigoplus \bigvee
\leq \bigwedge
\geq \neq
\approx \equiv

## Calculus Symbols

Operator Expression Operator Expression
\oint \infty
\nabla \int
\sum lim \lim
\vec{} - -

## Logical Symbols

Operator Expression Operator Expression
\because \therefore
\forall \exists

## References and Acknowledgements

This post is translated using ChatGPT, please feedback if any omissions.