An Invisible Sign

An Invisible Sign is a 2010 American drama film directed by Marilyn Agrelo and starring Jessica Alba, J. K. Simmons, Chris Messina, Sophie Nyweide, and Bailee Madison. Based on the 2001 novel An Invisible Sign of My Own by Aimee Bender, the film is about a painfully withdrawn young woman who, as a child, turned to math for comfort after her father became ill, and now as an adult, teaches the subject and must help her students through their own crises. For her performance in the film, Bailee Madison received a 2011 Young Artist Award nomination for Best Performance in a Feature Film.

Aimee Benders 2001 novel An Invisible Sign of My Own was adapted for the screen by The Wedding Planner scribes Michael Ellis and Pamela Falk.A test screening was shown at Comsewogue High School in Port Jefferson Station, New York. The film premiered at the 18th Hamptons International Film Festival on October 7, 2010. It was released through video on demand on April 1, 2011, and premiered in theaters on May 6, 2011. ........

Source: Wikipedia