I want to reply to this comment: What's the percentage of people that are mental calculator prodigies? How do they spread over the different parts of the world?
Mental calculators are people with a prodigious ability in some area of mental calculation, such as multiplying large numbers or factoring large numbers. Unfortunately I forgot where I heard it, ...
I recently saw an episode of 60 Minutes about Jacob Barnett, a 13 year old boy who is currently attending advanced physics classes at a local university and was portrayed by the show as being a child ...