Greek letters
Based on: https://www.calvin.edu/~rpruim/courses/s341/S17/from-class/MathinRmd.html
| letters | code | 
|---|---|
| \(\alpha A\) | $\alpha A$ | 
| \(\beta B\) | $\beta B$ | 
| \(\gamma \Gamma\) | $\gamma \Gamma$ | 
| \(\delta \Delta\) | $\delta \Delta$ | 
| \(\epsilon \varepsilon E\) | $\epsilon \varepsilon E$ | 
| \(\zeta Z \sigma\) | $\zeta Z \sigma | 
| \(\eta H\) | $\eta H$ | 
| \(\theta \vartheta \Theta\) | $\theta \vartheta \Theta$ | 
| \(\iota I\) | $\iota I$ | 
| \(\kappa K\) | $\kappa K$ | 
| \(\lambda \Lambda\) | $\lambda \Lambda$ | 
| \(\mu M\) | $\mu M$ | 
| \(\nu N\) | $\nu N$ | 
| \(\xi\Xi\) | $\xi\Xi$ | 
| \(o O\) | $o O$ (omicron) | 
| \(\pi \Pi\) | $\pi \Pi$ | 
| \(\rho\varrho P\) | $\rho\varrho P$ | 
| \(\sigma \Sigma\) | \sigma \Sigma$ | 
| \(\tau T\) | $\tau T$ | 
| \(\upsilon \Upsilon\) | $\upsilon \Upsilon$ | 
| \(\phi \varphi \Phi\) | $\phi \varphi \Phi$ | 
| \(\chi X\) | $\chi X$ | 
| \(\psi \Psi\) | $\psi \Psi$ | 
| \(\omega \Omega\) | $\omega \Omega$ |