Definition: hex

(HEXadecimal) Hexadecimal means 16, and the base 16 numbering system is used as a shorthand for representing binary numbers. Each half byte (four bits) is assigned a hex digit or letter as in the following chart with its decimal and binary equivalents. Hex values are identified with an "h" or dollar sign, thus $A7, A7h and A7H all stand for hex A7. See hex chart and hex editor.


    Base
    16   10   2
    Hex  Dec  Binary
    0    0    0000
    1    1    0001
    2    2    0010
    3    3    0011
    4    4    0100
    5    5    0101
    6    6    0110
    7    7    0111
    8    8    1000
    9    9    1001
    A   10    1010
    B   11    1011
    C   12    1100
    D   13    1101
    E   14    1110
    F   15    1111

 A7
  = decimal 167 (10x16+7x1)
  = binary 10100111 (128+32+4+2+1)

 A000
  = decimal 40,960 (10x4096)
  = binary 1010000000000000 (32768+8192)

Interpreting the Hex

As decimal digits increment by 10, hexadecimal digits increment by 16. Hexadecimal is a shorthand for human readability of binary, which is the intrinsic numbering system in the computer. See binary values.

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Definition: hex