In the beginning, New York and I had kind of a love-hate relationship. It seemed so abrasive compared to Europe. But the transformation here in recent years is really something. I don't think I would have seen as much change if I'd lived in any other city in the world.
I ride a bike and use aerobic equipment twice a week, and work out with a trainer, lifting weights.
The desire to economize time and mental effort in arithmetical computations, and to eliminate human liability to error is probably as old as the science of arithmetic itself.

