You are looking at (well...reading. . . at. . .) Utah State University's quickest fingers. I have successfully usurped the throne to the ultimate in Geekery: Calculator Quick-Draw Champion. What does this mean? Well, if any of you has a complex mathematical equation, I can plug it in faster than the time derivative of the position of a bullet at t=2 s.
Try your hand at this one, if you dare:
. . .[1/2^(1/6) + 1/3^(1/5) + 1/4^(1/4) + 1/5^(1/3) + 1/6^(1/2) ]
I got it in under 12 seconds, flat.