Difference between revisions of "Hexadecimal"
From Lazarus wiki
Jump to navigationJump to search (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 ...) |
|||
| Line 14: | Line 14: | ||
| $0000 | | $0000 | ||
| 0 | | 0 | ||
| − | | 0000000000000000 | + | | %0000000000000000 |
|- | |- | ||
| $0001 | | $0001 | ||
| 1 | | 1 | ||
| − | | 0000000000000001 | + | | %0000000000000001 |
|- | |- | ||
| $0002 | | $0002 | ||
| 2 | | 2 | ||
| − | | 0000000000000010 | + | | %0000000000000010 |
|- | |- | ||
| $0003 | | $0003 | ||
| 3 | | 3 | ||
| − | | 0000000000000011 | + | | %0000000000000011 |
|- | |- | ||
| $0004 | | $0004 | ||
| 4 | | 4 | ||
| − | | 0000000000000100 | + | | %0000000000000100 |
|- | |- | ||
| $0005 | | $0005 | ||
| 5 | | 5 | ||
| − | | 0000000000000101 | + | | %0000000000000101 |
|- | |- | ||
| $0006 | | $0006 | ||
| 6 | | 6 | ||
| − | | 0000000000000110 | + | | %0000000000000110 |
|- | |- | ||
| $0007 | | $0007 | ||
| 7 | | 7 | ||
| − | | 0000000000000111 | + | | %0000000000000111 |
|- | |- | ||
| $0008 | | $0008 | ||
| 8 | | 8 | ||
| − | | 0000000000001000 | + | | %0000000000001000 |
|- | |- | ||
| $0009 | | $0009 | ||
| 9 | | 9 | ||
| − | | 0000000000001001 | + | | %0000000000001001 |
|- | |- | ||
| $000a | | $000a | ||
| 10 | | 10 | ||
| − | | 0000000000001010 | + | | %0000000000001010 |
|- | |- | ||
| $000b | | $000b | ||
| 11 | | 11 | ||
| − | | 0000000000001011 | + | | %0000000000001011 |
|- | |- | ||
| $000c | | $000c | ||
| 12 | | 12 | ||
| − | | 0000000000001100 | + | | %0000000000001100 |
|- | |- | ||
| $000d | | $000d | ||
| 13 | | 13 | ||
| − | | 0000000000001101 | + | | %0000000000001101 |
|- | |- | ||
| $000e | | $000e | ||
| 14 | | 14 | ||
| − | | 0000000000001110 | + | | %0000000000001110 |
|- | |- | ||
| $000f | | $000f | ||
| 15 | | 15 | ||
| − | | 0000000000001111 | + | | %0000000000001111 |
|- | |- | ||
| $0010 | | $0010 | ||
| 16 | | 16 | ||
| − | | 0000000000010000 | + | | %0000000000010000 |
|- | |- | ||
| $0011 | | $0011 | ||
| 17 | | 17 | ||
| − | | 0000000000010001 | + | | %0000000000010001 |
|- | |- | ||
| $0012 | | $0012 | ||
| 18 | | 18 | ||
| − | | 0000000000010010 | + | | %0000000000010010 |
|- | |- | ||
| $0013 | | $0013 | ||
| 19 | | 19 | ||
| − | | 0000000000010011 | + | | %0000000000010011 |
|- | |- | ||
| $0014 | | $0014 | ||
| 20 | | 20 | ||
| − | | 0000000000010100 | + | | %0000000000010100 |
|- | |- | ||
| ... | | ... | ||
| Line 102: | Line 102: | ||
| $009f | | $009f | ||
| 159 | | 159 | ||
| − | | 0000000010011111 | + | | %0000000010011111 |
|- | |- | ||
| $00a0 | | $00a0 | ||
| 160 | | 160 | ||
| − | | 0000000010100000 | + | | %0000000010100000 |
|- | |- | ||
| ... | | ... | ||
| Line 114: | Line 114: | ||
| $00ff | | $00ff | ||
| 255 | | 255 | ||
| − | | 0000000011111111 | + | | %0000000011111111 |
|- | |- | ||
| $0100 | | $0100 | ||
| 256 | | 256 | ||
| − | | 0000000100000000 | + | | %0000000100000000 |
|- | |- | ||
| $0101 | | $0101 | ||
| 257 | | 257 | ||
| − | | 0000000100000001 | + | | %0000000100000001 |
|- | |- | ||
|} | |} | ||
Revision as of 18:37, 21 October 2007
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 |
