Greek letters

{\displaystyle \alpha A} \alpha A {\displaystyle \nu N} \nu N
{\displaystyle \beta B} \beta B {\displaystyle \xi \Xi } \xi \Xi
{\displaystyle \gamma \Gamma } \gamma \Gamma {\displaystyle oO\;} o O
{\displaystyle \delta \Delta } \delta \Delta {\displaystyle \pi \Pi } \pi \Pi
{\displaystyle \epsilon \varepsilon E\;} \epsilon \varepsilon E {\displaystyle \rho \varrho P\;} \rho \varrho P
{\displaystyle \zeta Z} \zeta Z {\displaystyle \sigma \,\!\Sigma \;} \sigma \Sigma
{\displaystyle \eta H} \eta H {\displaystyle \tau T} \tau T
{\displaystyle \theta \vartheta \Theta } \theta \vartheta \Theta {\displaystyle \upsilon \Upsilon } \upsilon \Upsilon
{\displaystyle \iota I} \iota I {\displaystyle \phi \varphi \Phi } \phi \varphi \Phi
{\displaystyle \kappa K} \kappa K {\displaystyle \chi X} \chi X
{\displaystyle \lambda \Lambda \;} \lambda \Lambda {\displaystyle \psi \Psi } \psi \Psi
{\displaystyle \mu M} \mu M {\displaystyle \omega \Omega } \omega \Omega

Arrows

{\displaystyle \leftarrow } \leftarrow {\displaystyle \Leftarrow } \Leftarrow
{\displaystyle \rightarrow } \rightarrow {\displaystyle \Rightarrow \;} \Rightarrow
{\displaystyle \leftrightarrow } \leftrightarrow {\displaystyle \rightleftharpoons } \rightleftharpoons
{\displaystyle \uparrow } \uparrow {\displaystyle \downarrow } \downarrow
{\displaystyle \Uparrow \;} \Uparrow {\displaystyle \Downarrow } \Downarrow
{\displaystyle \Leftrightarrow \;} \Leftrightarrow {\displaystyle \Updownarrow } \Updownarrow
{\displaystyle \mapsto } \mapsto {\displaystyle \longmapsto \;} \longmapsto
{\displaystyle \nearrow } \nearrow {\displaystyle \searrow } \searrow
{\displaystyle \swarrow } \swarrow {\displaystyle \nwarrow } \nwarrow
{\displaystyle \leftharpoonup } \leftharpoonup {\displaystyle \rightharpoonup } \rightharpoonup
{\displaystyle \leftharpoondown } \leftharpoondown {\displaystyle \rightharpoondown } \rightharpoondown

Miscellaneous symbols

{\displaystyle \infty \;\;} \infty {\displaystyle \forall \;} \forall
{\displaystyle \Re } \Re {\displaystyle \Im } \Im
{\displaystyle \nabla } \nabla {\displaystyle \exists } \exists
{\displaystyle \partial } \partial {\displaystyle \nexists } \nexists
{\displaystyle \emptyset } \emptyset {\displaystyle \varnothing \;} \varnothing
{\displaystyle \wp } \wp {\displaystyle \complement } \complement
{\displaystyle \neg } \neg {\displaystyle \cdots } \cdots
{\displaystyle \square } \square {\displaystyle \surd } \surd
{\displaystyle \blacksquare } \blacksquare {\displaystyle \triangle } \triangle

Binary Operation/Relation Symbols

{\displaystyle \times } \times {\displaystyle \cdot } \cdot
{\displaystyle \div } \div {\displaystyle \cap } \cap
{\displaystyle \cup } \cup {\displaystyle \neq \;} \neq
{\displaystyle \leq } \leq {\displaystyle \geq } \geq
{\displaystyle \in } \in {\displaystyle \perp \;} \perp
{\displaystyle \notin } \notin {\displaystyle \subset } \subset
{\displaystyle \simeq } \simeq {\displaystyle \approx } \approx
{\displaystyle \wedge } \wedge {\displaystyle \vee } \vee
{\displaystyle \oplus \;} \oplus {\displaystyle \otimes } \otimes
{\displaystyle \Box } \Box {\displaystyle \boxtimes } \boxtimes
{\displaystyle \equiv } \equiv {\displaystyle \cong } \cong
Operator Renders as
\cos {\displaystyle \cos }
\csc {\displaystyle \csc }
\exp {\displaystyle \exp }
\ker {\displaystyle \ker }
\limsup {\displaystyle \limsup }
\min {\displaystyle \min }
\sinh {\displaystyle \sinh }
\arcsin {\displaystyle \arcsin }
\cosh {\displaystyle \cosh }
\deg {\displaystyle \deg }
\gcd {\displaystyle \gcd }
\lg {\displaystyle \lg }
\ln {\displaystyle \ln }
\Pr {\displaystyle \Pr }
\sup sup
\arctan {\displaystyle \arctan }
\cot cot
\det {\displaystyle \det }
\hom {\displaystyle \hom }
\lim lim
\log {\displaystyle \log }
\sec sec
\tan {\displaystyle \tan }
\arg {\displaystyle \arg }
\coth {\displaystyle \coth }
\dim {\displaystyle \dim }
\liminf {\displaystyle \liminf }
\max {\displaystyle \max }
\sin {\displaystyle \sin }
\tanh {\displaystyle \tanh }