For film buffs, there are plenty of movies involving mathematical concepts and/or famous figures in the discipline — both real and fictitious. Not sure where to start? Try these 20 films about math, ...

The median score for college-bound seniors on the math section of the SAT in 2011 is about 510 out of 800. So right there is proof that there are lots of unsolved math problems. The great 19th-century ...