From the creators of one of today’s most popular investing Web sites, The Investopedia Guide to Wall Speak...

Relational databases are tricky beasts. Other kinds of commercial software are infinitely easier to understand. Word processors are really just high-tech typewriters, and it's pretty clear that the backspace key beats that little jar of white stuff cold. Spreadsheets present a familiar enough paradigm, even to non-accountants, and email is...

Principles of Digital Communication Systems and Computer Networks is designed as a textbook for courses on digital communication systems, data communication, computer networks, and mobile computing. Part I deals with key topics such as information theory, transmission media, coding, error correction, multiplexing, multiple access,...

Using easy-to-follow instructions and...

Learn how to program in Python while making and breaking ciphers—algorithms used to create and send secret messages! 

After a crash course in Python programming basics, you’ll learn to make, test, and hack programs that encrypt text with classical ciphers like the transposition cipher and Vigenère...

• Break text down into its component parts for spelling correction, feature extraction, and phrase transformation
• Learn how to do custom sentiment analysis and named entity...

Rapid advances in science, medicine, and molecular biology have created a large amount of new information on biomedicine and molecular biology. Keeping up with the latest information can become a cumbersome task for professionals and students working in these fields. Updated to include new terminology and accurate characterizations of...

This informally written text provides students with a clear introduction into the subject of linear algebra. Topics covered include matrix multiplication, row reduction, matrix inverse, orthogonality and computation. The self-teaching book is loaded with examples and graphics and provides a wide array of probing problems, accompanying...