sin a cos b tan c {\displaystyle \sin a\cos b\tan c}
∇ ∂ x d x x ˙ y ¨ d y / d x d y d x ∂ 2 y ∂ x 1 ∂ x 2 {\displaystyle \nabla \,\partial x\,dx\,{\dot {x}}\,{\ddot {y}}\,dy/dx\,{\frac {dy}{dx}}\,{\frac {\partial ^{2}y}{\partial x_{1}\,\partial x_{2}}}}
2 x n {\displaystyle {\sqrt {2}}{\sqrt[{n}]{x}}}
⇐⇒⇍⇏⇔⇎⟸⟹⟺ ( o r ⟺ ) {\displaystyle \Leftarrow \Rightarrow \nLeftarrow \nRightarrow \Leftrightarrow \nLeftrightarrow \Longleftarrow \Longrightarrow \Longleftrightarrow (or\iff )}
See Help:Displaying a formula for complete listing of different symbols.