Function: exp(invert(square(numbers("per"))) if square(numbers("per")) > numbers("per") else numbers('epe') if max(square(numbers("per")) if invert(square(numbers("per"))) > numbers('epe') else numbers("per"), invert(square(numbers("per")))) > square(numbers("per")) else invert(square(numbers("per"))), max(invert(square(numbers("per"))) if square(numbers("per")) > numbers('epe') else numbers("per"), invert(square(numbers("per")))))