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AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive bestsellers from independent booksellers worldwide.

Welcome to the U.S. ISBN Agency, the official source for ISBNs in the United States. No other source can assign legitimate ISBNs to US publishers. Bowker provides technical advice on uses of the ISBN standard to the publishing industry.  Also in...

The Math Forum is the comprehensive resource for math education on the Internet. Some features include a K-12 math expert help service, an extensive database of math sites, online resources for teaching and learning math, plus much more.

Biblio brings together thousands of independent booksellers worldwide to offer you over 50 million used, rare, out-of-print, signed and first edition books and textbooks. Searching is done by author, title, keyword, or isbn number. Search Biblio for ...

Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.

ISBN Information. History of and information about the ISBN system, including the new 13 characater ISBN. How ISBNs work and how they are distributed.

This textbook provides an interdisciplinary approach to the CS 1 curriculum. We teach the classic elements of programming, using an

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Barcode software that prints Code 128, UPC, Code 39, Interleaved 2 of 5, and other barcodes in Excel, Crystal Reports and other applications. Make barcodes using bar code fonts to make UPC bar codes, ISBN-13 bar codes, Code 128 bar codes, POSTNET bar...