Glucedee It's hard to see any effort in the film. There's no comedy to speak of, no real drama and, worst of all.

SeeQuant Blending excellent reporting and strong storytelling, this is a disturbing film truly stranger than fiction

Rosie Searle It's the kind of movie you'll want to see a second time with someone who hasn't seen it yet, to remember what it was like to watch it for the first time.

Marva-nova Amazing worth wacthing. So good. Biased but well made with many good points.

Kirpianuscus sure, it is far to be the right word. but it is the most comfortable. for a beautiful story, for a great job from Jessica Alba, for the touching atmosphere, for the performances of Marylouise Burke and J.K. Simmons. maybe because I am teacher, Mona Gray seems to me one of the most seductive characters from the last decade of cinema. because this job remains a refuge, has deep roots in the experiences of childhood, impose a form of train of exercises to escape from yourself. if a sin of film must be defined, it is , maybe, the desire of director to be a complete work - from traumas to the love story. but it is a small, almost insignificant sin. so, a lovely/touching film.

neppie A female lead in a story about math? The synopsis was somewhat misleading, or perhaps I wanted it to be complicated. I was expecting a twist on something along the lines of "Stand and Deliver" or "Good Will Hunting." It turns out this is simple math and the plot is not a formula. The heroine is a socially inept third grade teacher (Jessica Alba), a "weirdo" to the apparently well adjusted children and their ordinary, dysfunctionally functional parents. It is a quirky story that gets off to a jumpy start. I almost stopped watching then realized I was enjoying the mess. In an early scene, the first day of school, the children are arranged into a human equation. It escaped me then that was a play on the theme. When I notice that a film I like is receiving mixed or bad reviews am compelled to contribute my own evaluation, to assist those on the fence. This isn't for everyone. Anyone who doesn't grok "the human equation" probably won't get the result. The other extreme might find it overly simplistic. Those who've valued themselves as odd, complex, uncommon denominators will be able to relate.

rcarol321 This movie is not your stereotypical happy ending movie. In someways, Ms. Gray reminds me of Miss Honey in Matilda. And as a child, she reminds me perhaps to Mary in The Secret Garden. Its plot, theme, and screenplay were tied together very nicely. Jessica Alba's performance was outstanding. Ms. Gray's character personality you see may be mistaken as shy but it is quite beyond that. For those of us that enjoy the language of numbers understand how to communicate with the universe. Because numbers you see are reliable.This particular film can be greatly misunderstood. Watch this film with an open mind and let your heart be just vulnerable enough as you are introduced to the world of a bizarre child. We must never judge a book by its cover as is commonly said. An Invisible Sign is so very underrated. It is not easy to grasp just as much as life itself isn't easy to grasp. Worth its every minute.

TxMike I found this one on Netflix streaming movies. It is quite quirky in places, which may turn off some who enjoy conventional narratives, but in total it is a very nice little story. Jessica Alba is the adult, 20-something Mona Gray. As a small girl she loved her dad, ran with him, did "numbers" with him, and overall became somewhat fascinated with numbers. But as she grew up her dad developed a mental problem, he could no longer function normally, and as a 10-yr-old Mona thought if she did certain things, for example if she denied herself of things she enjoyed, her dad would get better. All this caused Mona to grow up with development challenges, and she became very shy and unwilling to experience normal friendships, not to mention a love relationship. But one day, to help her, mom found out the local elementary math teacher had run off to Paraguay to join the revolutionaries and Mona was to be the new math teacher. Never mind that she never finished college!So Mona jumps in there, does the best she can, has difficulty controlling the students. But she meets Science teacher, Chris Messina as Ben Smith. he is pretty much the opposite of Mona, outgoing and not overly worrying about anything. He takes a liking to Mona but finds her shell very difficult to penetrate.J.K. Simmons is interesting as the neighbor Mr. Jones, who had taught math to Mona as a child, and who now runs the local hardware store. Her confused dad is John Shea as Dad. And Sonia Braga is her mom, still attractive at just past 60. I first saw her years ago in the 1983 movie "Gabriella" where in her early 20s played a sultry cook and lover. Interesting career arc!Anyway it is a nice movie, and therapeutic for Mona, as she eventually finds a way out of her shell. I have enjoyed Jessica Alba since her days as "Dark Angel" on the TV series, and I like her here.