SIZE CHARTS
shoes, tops, bottoms — and a centimetre under every grid
Free
GIT WORKING AREAS
four areas · the command that moves code between them
Free
NUMBERS 1 TO 100
the hundred chart · primes picked out in colour
Free
MULTIPLICATION TABLE
1 to 12 · colour intensity = size of the product
Free
MORSE CODE
26 letters and 10 digits · dot, dash
Free