MathJax 支持的 Latex 符号总结（关系运算符和算术运算符）

关系运算符

latex	显示效果
\mid	∣
\nmid	∤
\cdot	⋅
\leq	≤
\geq	≥
\neq	≠
\approx	≈
\equiv	≡
\prec	≺
\preceq	⪯
\ll	≪
\succ	≻
\succeq	⪰
\gg	≫
\sim	∼
\simeq	≃
\asymp	≍
\cong	≅
\doteq	≐
\propto	∝
\models	⊨
\parallel	∥
\bowtie	⋈
\perp	⊥
\circ	∘
\ast	∗
\bigodot	⨀
\bigotimes	⨂
\bigoplus	⨁

算术运算符

latex	显示效果
\pm	±
\mp	∓
\times	×
\ast	∗
\star	⋆
\circ	∘
\bullet	∙
\cdot	⋅
\div	÷
\sum	∑
\prod	∏
\coprod	∐
\oplus	⊕
\bigoplus	⨁
\ominus	⊖
\otimes	⊗
\bigotimes	⨂
\oslash	⊘
\odot	⊙
\bigodot	⨀
\bigcirc	◯
\coprod	∐
\diamond	⋄
\bigtriangleup	△
\bigtriangledown	▽
\triangleleft	◃
\triangleright	▹