[plus9z]

Anyway, the point isn't that she's faster than a computer (I mean, my laptop can conjure up that answer with PARI/GP in under a millisecond). The point is a) she pushed the limits of human achievement and showed that such feats were, in fact, possible, particularly for an adult beyond their twenties, and b) her passion for math inspired so many others. I mean, who wouldn't be impressed by someone who could calculate that? I doubt I could even keep track of all those digits given all the time in the world, much less give any answer better than an order of magnitude estimation in 50 seconds. Her intention was to show people (generally kids) that math is not this impossible, unconquerable monster of a subject, even though it may seem that way when you first encounter it, and even afterwards, as long as you treat it that way.