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-shift keyboard they found it difficult to use. They then came up with an idea of using thumb in conjunction with other fingers. Unlike the shift action with little finger in English keyboard, in which shift key is pressed and held while a character key is hit, this method uses simultaneous hit by thumb and other finger. This has several advantages. First, it enables each key to be conjugated in three ways: without thumb action, with the same hand thumb and with the thumb of the opposite hand. This means that the keyboard can accommodate half as much more characters than in