The TwelveByTwelve (TBT) standard for COMPUTER SCIENCE (UBC CPSC 124)
The computer-programming language taught in UBC CPSC 124 was SCHEME, using which Marko created a number of graphic patterns, perhaps guided by the same instinct that impelled him to doodle in his notebook in other courses.
UBC Computer Science 124, completed at age 12:10, while nominally in Grade 7, and earning a final grade of 80%
As neither the mid-term nor the final examination was allowed to be kept, the practice exam that was handed out might be taken to be indicative of course content and difficulty.