That's just one facet of software engineering. Large swaths of it cannot be reduced to math ie everything the user actually sees, hears, perceives, etc. Those a

That's just one facet of software engineering. Large swaths of it cannot be reduced to math ie everything the user actually sees, hears, perceives, etc. Those are subject to psychology, aesthetics, ergonomics ... Although we're trying to quantify those, too, so maybe one day ...