Neat Lil' Chart for BIN <-> HEX - I got it from "Art of Assembly" online tutorial- btw- mathgirl32 sent me the link (Cool...)
| http://www.it.uom.gr/project/assembly/contents.htm
| http://cs.smith.edu/~thiebaut/ArtOfA.../artofasm.html

_Binary__Hexadecimal
_0000___ 0
_0001___ 1
_0010___ 2
_0011___ 3
_0100___ 4
_0101___ 5
_0110___ 6
_0111___ 7
_1000___ 8
_1001___ 9
_1010___ A
_1011___ B
_1100___ C
_1101___ D
_1110___ E
_1111___ F

To convert a hexadecimal number into a binary number, simply substitute the corresponding four bits for each hexadecimal digit in the number. For example, to convert 0ABCDh into a binary value, simply convert each hexadecimal digit according to the table above:

0 A B C D Hexadecimal

0000 1010 1011 1100 1101 Binary