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.
This Old Man This Old Man "This Old Man" is an English language children's song, counting and nursery rhyme with a Roud Folk Song Index number of 3550. The origins of this song are obscure. The earliest extant record is a version noted in Anne Gilchrist's "Journal of the English Folk Dance and Song Society" (1937), learnt from her Welsh nurse in the 1870s under the title "Jack Jintle" with the lyrics: <poem> My name is Jack Jintle, the eldest but one, And I can play nick-nack upon my own thumb. With my nick-nack and click-clack and sing a fine song, And all