Finger binary Finger binary Finger binary is a system for counting and displaying binary numbers on the fingers of one or more hands. It is possible to count from 0 to 31 (2−1) using the fingers of a single hand, or from 0 through 1023 (2−1) if both hands are used. In the binary number system, each numerical digit has two possible states (0 or 1) and each successive digit represents an increasing power of two. Note: What follows is but one of several possible schemes for assigning the values 1, 2, 4, 8, 16, etc. to fingers, not necessarily the best.
Thumb war Thumb war A thumb war (also called thumb wrestling, pea-knuckle or pea-knuckle war in New Zealand, and a "Guerre des pouces" in France) is a game played by two players in a tournament called a thumb-a-war (or thumb war) using the thumbs to simulate fighting. The object of the game is to pin the opponent's thumb, often to a count of three. The "San Francisco Chronicle" called the game "the miniature golf of martial sports." The players face each other and each holds out their left hand or right hand in a "thumbs up", and they link hands such that