This brings back horrible memories of the janky-ass software we used in calculus for our exams. It took probably 10x longer to answer a question with the GUI b

This brings back horrible memories of the janky-ass software we used in calculus for our exams. It took probably 10x longer to answer a question with the GUI because of the symbols and half the time they'd be marked wrong because the system couldn't handle equivalent variations of the correct answer. I doubt things are much better today. This was probably the "low-tech" solution to a decade+ of dealing with the above problem.