+ - \(\times\) \(\div\) = < > \(\le\) \(\ge\) \(\approx\) \(\pm\) \(\infty\) \(\sum\) \(\int\) \(\frac{\square}{\square}\) \(\square^\square\) \(\square_\square\) \(\sqrt{\square}\) \(\sqrt[\square]{\square}\) \(\lim\) \(\degree\) \(\prime\) \(\alpha\) \(\beta\) \(\gamma\) \(\delta\) \(\epsilon\) \(\pi\) \(\theta\) \(\lambda\) \(\mu\) \(\sigma\) \(\phi\) \(\omega\) \(\Delta\) \(\Sigma\) \(\Omega\) \(\begin{pmatrix} \square & \square \\ \square & \square \end{pmatrix}\) \(\begin{cases} \square \\ \square \end{cases}\) \(( \square )\) \([ \square ]\) \(\{ \square \}\) \(\| \square \|\) \(\| \square \|\) \(\vec{\square}\) \(\cdot\) \(\prime\prime\) \(\nabla\) \(\text{H}_2\text{O}\) \(\ce{H2O}\)