The Adventures of Tintin in the sandbox

clip of the 1961 film included:

http://mubi.com/notebook/posts/tintinology-after-spielberg

(also I am quoted in front of Richard Brody)

well book-wise, 'prisoners of the sun' was part 2 of 'seven crystal balls' so they've already got 2 books worth to work with. can't remember if calculus had an important role in those or if he was just there for the sake of being there