Yup. That always gets 'em. It also makes the statement in the article false.
And for those who think there's no point in using math in anything other than base 10, I give you the computer you're typing on right now.
Binary dittoes!
Remember when big fat Rosie O'Doughnut said that nobody needs to learn math any more - we have computers. What a retard.
When someone says prove "2 + 2 = 4", unless explicitly stated otherwise they mean base 10.