Editing Mental calculation (section)

====Fiction====
=====Twentieth century=====
======1980s======
*In the 1988 movie ''[[Rain Man]]'', Raymond Babbitt, who has [[savant syndrome]], can mentally calculate large numbers, amongst other abilities.

======1990s======
*In the 1991 movie ''[[Little Man Tate]]'', Fred Tate in the audience blurts out the answer during a mental calculation contest.
*In the 1997 Sci-Fi thriller ''[[Cube (1997 film)|Cube]]'', one of the prisoners, Kazan, appears to be mentally disabled, but is revealed later in the film to be an autistic savant who is able to calculate prime factors in his head.
*In 1998 [[Darren Aronofsky]]'s film ''[[Pi (film)|Pi]]'', Maximillian Cohen is asked a few times by a young child with a calculator to do large multiplications and divisions in his head, which he promptly does, correctly.
*In 1998 film ''[[Mercury Rising]]'', a 9-year-old [[autistic savant]] with [[child prodigy|prodigious]] math abilities cracks a [[Classified information#Top Secret (TS)|top secret]] government code.

=====Twenty-first century=====
======2000s======
*In the 2006 film ''[[Stranger than Fiction (2006 film)|Stranger than Fiction]]'', the main character, Harold Crick, is able to perform rapid arithmetic at the request of his co-workers.

======2010s======
*In the 2012 film ''[[Safe (2012 film)|Safe]]'', a female child math genius is kidnapped to be used by the Chinese Triad.
*In the 2016 film ''[[The Accountant (2016 film)|The Accountant]]'', Christian Wolff is a high-functioning autistic man who tracks insider financial deceptions for numerous criminal organizations.
*In the 2017 film ''[[Gifted (2017 film)|Gifted]]'', an intellectually gifted seven-year-old, Mary Adler, becomes the subject of a custody battle between her uncle and grandmother.