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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.