\[+\]

\[-\]

\[\div\]

\[\times\]

\[\frac{a}{b}\]

\[a^n\]

\[\pi\]

\[e\]

\[\log\]

\[x\]

\[a_n\]

\[=\]

\[>\]

\[<\]

\[(\ \ )\]

\[\surd\]

\[f(x)\]

\[|x|\]

\[\operatorname{sen}\]

\[\cos\]

\[\tan\]

\[\sec\]

\[\csc\]

\[\cot\]

\[n!\]

\[\in\]

\[\cup\]

\[\cap\]

\[\exists\]

\[\forall\]

\[\mathbb{N}\]

\[\mathbb{Z}\]

\[\mathbb{Q}\]

\[\mathbb{R}\]

\[\emptyset\]

\[\infty\]