demo

latex

If \(a^2=b\) and \( b=2 \), then the solution must be either \[ a=+\sqrt{2} \] or \[ a=-\sqrt{2} \].

\[ e^{ix} = \cos x + i \sin x \]

mermaid

flowchart RL
  WD -- git add --> SA[Stage Area] -- git commit --> Repo
  Repo --> |git checkout| WD

table