Hi..
Yes, indeed the equations are recognised very bad =/. You are correct, "equ" only works with legacy engine, but I though we should use "equ" instead of "eng" for equations detection. I mean, how "eng" would recognise Greek letters? And Greek letters are commonly used in equations.
In any case, I am still learning how to use Tesseract so I might be saying bullshit.
I will let you know if I manage to improve the results. Please, keep me posted if you also improved your results =).
Kind regards,