While there's plenty of art that goes into making their stunning animated films, the animation is still done on a computer, which is made possible due to lots of math.

Computer animation has come a long way since the first Toy Story movie. Last week, Pixar offered a rare behind-the-scenes look at the sophisticated system used on Brave and Monsters University.

Computer animation is the art of creating moving images via the use of computers. It is a subfield of computer graphics and animation. Increasingly it is created by means of 3D computer graphics ...