CSS FLEXBOX
main axis and cross axis · which property belongs to which
$1.50
FLOWCHART SYMBOLS
10 shapes, and one algorithm drawn with them
$1.50
THE SELECT STATEMENT
8 clauses in the order you write them — and the order they take effect in
$1.50
GREEK ALPHABET
24 letters · names and where science uses them
$1.50
BARRE CHORDS
two shapes, twelve chords each
$1.50
FIRST CHORDS
15 chords every beginner starts with · standard tuning E A D G B e
$1.50
THE KEYBOARD
three octaves · every key and its note on the staff
$1.50
SI PREFIXES
from quetta to quecto · twenty multipliers
$1.50