Unit test: informalequation.001
As an image first.
Fermat's Last Theorem
x^n + y^n ≠ z^n ∀ n > 2
But this one actually works better as a mathphrase.
Or at least it works if you have a reasonable set of fonts.
Fermat's Last Theorem
xn + yn
≠ zn ∀ n > 2