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HTML for the World Wide Web, Fifth Edition, with XHTML and CSS
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HTML for the World Wide Web, Fifth Edition, with XHTML and CSS

by Elizabeth Castro
September 2002
Intermediate to advanced
480 pages
15h 30m
English
Peachpit Press
Content preview from HTML for the World Wide Web, Fifth Edition, with XHTML and CSS

Appendix E. Hexadecimals

“Regular” numbers are based on the base 10 system, that is, there are ten symbols (what we call “numbers”): 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. To represent numbers greater than 9, we use a combination of these symbols where the first digit specifies how many ones, the second digit (to the left) specifies how many tens, and so on.

In the hexadecimal system, which is base 16, there are sixteen symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, and f. To represent numbers greater than f (which in base 10 we understand as 15), we again use a combination of symbols. This time the first digit specifies how many ones, but the second digit (again, to the left) specifies how many sixteens. Thus, 10 in the hexadecimal system means ...

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ISBN: 0321130073Purchase book