This is the "easier version" of BP801.
All numbers on the left are canonical mathematical constants, i.e. there are no totally arbitrary ratios, with images below featuring those ratios.
Adjacent-numbered pages: BP500 BP501 BP502 BP503 BP504  *  BP506 BP507 BP508 BP509 BP510
fuzzy, math
Aaron David Fairbanks
This is the "harder version" of BP505.
Adjacent-numbered pages: BP796 BP797 BP798 BP799 BP800  *  BP802 BP803 BP804 BP805 BP806
hard, less, abstract, math, subjective, challenge, right-unknowable, collective, experimental, finishedexamples