Each row renders one equation and shows the spoken text the converter generates for it. With a screen reader running, moving through the table should read the spoken column's wording for the rendered equation - not the LaTeX, and not a character-by-character spelling.
The exact markup produced for \alpha + \beta, generated live by the converter so
it always matches what the equations below are actually using.
Tab - it steps from one
equation to the next, skipping everything else, and your screen reader reads each one as it
lands. Shift+Tab goes back. The status line below tracks where you are, so you can
check by eye what you are hearing.
Cmd+F5 turns it on and off. Then either
Tab as above, or Ctrl+Option+→ to walk every item on the page.
Ctrl+Option+A reads continuously from where you are.
NVDA+Alt+M opens MathCAT's own navigation, which lets you walk
inside the expression rather than hearing it in one go.
Tab) and this line will show which one, and the exact
text a screen reader should be speaking for it.