"Continued fractions are very useful and as a novice I'm very impressed playing around with them. Hey, we can find patterns even on pi, wikipedia says! And periodic expansion of sqrt(2) is a miracle! Why nobody shares my enthusiasm?"
Almost correct. One can have a limked list for representation and then one can implement real arithmetic. Atleast for known real num bers like sqrt(2), pi and e we may get correct and exact answers. So instaed of using decimal representation one shud try to use continued fraction representation in computing.
I am not restricting continued fraction to simple continued fraction. Please take my coment seriously. We may be able to use exact computation for pi, etc continued fractions and linkd data structures using