BITS, BYTES, KILOBYTES
two scales · 1000 and 1024 · why a drive looks smaller
$1.50
FLOWCHART SYMBOLS
10 shapes, and one algorithm drawn with them
$1.50
HTTP STATUS CODES
five classes · twenty codes you meet every day
$1.50
PROTEIN IN FOODS
grams per 100 g · animal and plant · and the state each one was weighed in
Free
MORSE CODE
26 letters and 10 digits · dot, dash
Free
PHONETIC ALPHABET
the ICAO standard · for radio and telephone
$2.50