LaTeX Math Cheat Sheet
1. Basic Symbols
$ a + b = c $
$ x - y $
$ x \times y, \; x \cdot y, \; x \div y $
$ x^2, \; x_{i} $
2. Fractions, Roots, Logs
$ \frac{a}{b} $
$ \dfrac{1}{x+1} $
$ \sqrt{x}, \; \sqrt[3]{x} $
$ \log{x}, \; \ln{x} $
3. Greek Letters
$ \alpha, \beta, \gamma, \theta, \lambda, \pi, \sigma, \omega $
$ \Gamma, \Delta, \Theta, \Pi, \Sigma, \Omega $
4. Relations & Operators
$ x \leq y, \; x \geq y, \; x \neq y $
$ \approx, \sim, \equiv, \propto $
$ \in, \notin, \subseteq, \supseteq $
$ \forall x \in \mathbb{R}, \; \exists y > 0 $
5. Summations, Integrals, Limits
$ \sum_{i=1}^{n} i^2 $
$ \prod_{k=1}^{n} k $
$ \int_a^b f(x)\, dx $
$ \lim_{x \to 0} \frac{\sin x}{x} $
6. Matrices
\begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix}
\begin{pmatrix} a & b \\ c & d \end{pmatrix}
7. Special Sets & Symbols
$ \mathbb{N}, \mathbb{Z}, \mathbb{Q}, \mathbb{R}, \mathbb{C} $
$ \infty, \; \partial f / \partial x, \; \nabla f $
8. Equations & Alignments
\begin{equation} E = mc^2 \end{equation}
\begin{align} a + b &= c \\ x^2 + y^2 &= z^2 \end{align}
9. Cases & Piecewise
\begin{cases} x^2 & x \geq 0 \\ -x & x < 0 \end{cases}
10. Accents & Decorations
$ \overline{AB}, \; \hat{x}, \; \vec{v}, \; \tilde{y} $
$ \bar{x}, \; \dot{x}, \; \ddot{x} $
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