Originally Posted by blackcat
People are going to think "gifted" means being a prodigy and anyone who can't do 756 X 87 in their head within 5 seconds is not really gifted.
In the movie, precocious 7-year-old Mary's rather quick multiplication of 57 x 135 was explained as using the Trachtenberg system. smile Here's a brief bio of Jakow Trachtenberg.