Hexadecimal

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Revision as of 08:27, 20 October 2007 by Djzepi (talk | contribs) (New page: Hexadecimal (hex) is number system to the base 16. In hexadecimal the decimal numbers 0–15 are represented by the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F. Hexadecimal ...)
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Hexadecimal (hex) is number system to the base 16. In hexadecimal the decimal numbers 0–15 are represented by the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F. Hexadecimal numbers are easy to convert to the computer's internal binary code and are more compact than binary numbers. One hexadecimal digit stands in place of four binary bits (4-bits).

In Pascal hexadecimal is indicated by use a prefixed $


Conversion Table

  Hexadecimal     Decimal     Binary  
  $0000     0     0000000000000000  
  $0001     1     0000000000000001  
  $0002     2     0000000000000010  
  $0003     3     0000000000000011  
  $0004     4     0000000000000100  
  $0005     5     0000000000000101  
  $0006     6     0000000000000110  
  $0007     7     0000000000000111  
  $0008     8     0000000000001000  
  $0009     9     0000000000001001  
  $000a     10     0000000000001010  
  $000b     11     0000000000001011  
  $000c     12     0000000000001100  
  $000d     13     0000000000001101  
  $000e     14     0000000000001110  
  $000f     15     0000000000001111  
  $0010     16     0000000000010000  
  $0011     17     0000000000010001  
  $0012     18     0000000000010010  
  $0013     19     0000000000010011  
  $0014     20     0000000000010100  
  ...     ...     ...  
  $009f     159     0000000010011111  
  $00a0     160     0000000010100000  
  ...     ...     ...  
  $00ff     255     0000000011111111  
  $0100     256     0000000100000000  
  $0101     257     0000000100000001