“Mathematics is not about numbers, equations, computations, or algorithms: It is about understanding,” these were the words of legendary Indian mathematician, Srinivasa Ramanujan. On his birth anniversary every year, India observes National Mathematics Day.

Mathematicians have been portrayed on the silver screen for a long time. Various actors have taken up the roles of geniuses who have made a difference in the world with their contributions to this immeasurably valuable subject. Here are 5 films you can check out which are based on the lives of Math stalwarts.