hexadecimal(redirected from A (digit))
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hexadecimal(hĕks″ă-dĕs′ĭ-mŭl) [″ + L. decimus, tenth]
In computers, a number system using base 16 rather than base 2 (binary) or 10 (decimal).
a numbering system used in computer science; consists of 16 digits including numbers 0 through 9 and letters a through f.