| $\pi$ |
pi |
$\pi \approx 3.14$ |
pi approximately 3 point 14 |
| $\hat{x}$ |
x hat |
$\hat{x} = 5$ |
x hat equals 5 |
| $x^2$ |
x squared |
$x^2 + y^2 = z^2$ |
x squared plus y squared equals z squared |
| $x_n$ |
x sub n |
$x_n = \frac{1}{n}$ |
x sub n equals one over n |
| $\sum$ |
summation |
$\sum_{i=1}^n i$ |
summation from i equals 1 to n of i |
| $\int$ |
integral |
$\int_0^1 x,dx$ |
integral from 0 to 1 of x dx |
| $\infty$ |
infinity |
$\lim_{x \to \infty} f(x)$ |
limit as x approaches infinity of f of x |
| $\lim$ |
limit |
$\lim_{x \to 0} \frac{\sin x}{x}$ |
limit as x approaches 0 of sin x over x |
| $\forall$ |
for all |
$\forall x \in \mathbb{R}$ |
for all x in real numbers |
| $\exists$ |
there exists |
$\exists x > 0$ |
there exists x greater than zero |
| $\equiv$ |
is congruent to |
$a \equiv b \pmod{n}$ |
a is congruent to b modulo n |
| $\to$ |
approaches / tends to |
$x \to 0$ |
x approaches zero |
| $\approx$ |
approximately equals |
$\pi \approx 3.14$ |
pi approximately equals 3 point 14 |
| $\nabla$ |
del / gradient |
$\nabla f(x,y)$ |
gradient of f at x y |
| $\cdot$ |
dot |
$a \cdot b$ |
a dot b |
| $\times$ |
times / cross |
$\vec{a} \times \vec{b}$ |
vector a cross vector b |
| $\Rightarrow$ |
implies |
$P \Rightarrow Q$ |
P implies Q |
| $\leftarrow$ |
left arrow |
$x \leftarrow y$ |
x left arrow y |
| $\neq$ |
not equal |
$x \neq y$ |
x not equal y |
| $\leq$ |
less than or equal to |
$x \leq y$ |
x less than or equal to y |
| $\geq$ |
greater than or equal to |
$x \geq y$ |
x greater than or equal to y |
| $\subset$ |
is subset of |
$A \subset B$ |
A is subset of B |
| $\supset$ |
is superset of |
$B \supset A$ |
B is superset of A |
| $\cup$ |
union |
$A \cup B$ |
A union B |
| $\cap$ |
intersection |
$A \cap B$ |
A intersection B |
| $\mathbb{R}$ |
real numbers |
$\mathbb{R}$ |
real numbers |
| $\mathbb{N}$ |
natural numbers |
$\mathbb{N}$ |
natural numbers |
| $\partial$ |
partial (derivative) |
$\frac{\partial f}{\partial x}$ |
partial derivative of f with respect to x |