Figure 2-4. Screenshot of IPython Notebook with Markdown rendering
The LaTeX code that describes Equation 2-1 looks roughly like the following:
S_T = S_0 \exp((r - 0.5\sigma^2) T + \sigma \sqrt{T} z)
S_T = S_0 \exp((r - 0.5\sigma^2) T + \sigma \sqrt{T} z)