Ben Sellers

Ben Sellers

Ben Sellers has more than 17 years of experience in teaching at all levels from elementary classes to college mathematics and statistics courses. He has taught college students, working professionals, adult learners, high school students, and homeschoolers, both online and in the traditional classroom. He has undergraduate and graduate degrees in the mathematical sciences and has been a mathematical and statistical consultant in industry and in education.

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Richard Blum | Vibe Learning
 
Richard Blum

Richard Blum

Richard Blum has been an IT industry professional for over 18 years, working mainly as a network and systems administrator. During this time, he has worked with Microsoft, Novell, Unix, and Linux servers, and has created Web sites using a variety of different programming languages. Blum is the author of several programming and systems administration books, including Professional Assembly Language, C# Network Programming, PostgreSQL 8 for Windows, Sendmail for Linux, Postfix, and Network Performance Open Source Toolkit.

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