Charts for a study
The wall beside a desk is prime reference space. Whatever hangs there gets consulted without a browser tab, without a search, and without the several minutes a search usually turns into.
What suits it is the material used mid-task: status codes and CSS properties, the working areas of Git, unit prefixes and paper formats, Morse and the phonetic alphabet, the Greek letters that turn up in every formula, and the size conversions wanted the moment something is ordered from abroad.
A4 is usually enough at desk distance. Print on white, on whatever printer is already in the room — that is what these files are built for.
SI PREFIXES
from quetta to quecto · twenty multipliers
BICYCLE CLASSES
frame, wheel by ISO 5775 and handlebar — three signs of a class, and what the frame is rated for
CAR CLASSES
segments A to F by length and bodies by box count — how to name any car you see
MOTORCYCLE CLASSES
rake, trail, wheelbase and seat height — six classes drawn at one scale
THE RACING LINE
one corner, three apexes, the time computed