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 (25−1) using the fingers of a single hand, or from 0 through 1023 (210−1) if both hands are used.

Read more about Finger Binary:  Mechanics, Negative Numbers and Non-integers, Finger Ternary

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