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Chavez, Edgar
Independent Consultant
West Chester, Pennsylvania
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Edgar Chavez is an independent consultant specializing in IBM mainframe computing, software quality assurance, and change management. He has more than 30 years of experience in the industry. He has worked on supervisory, project management, and technical assignments dealing with all phases of systems development and maintenance in finance, administration, transportation, information retrieval, and operating systems support.

Among others, Edgar’s assignments have included: change management consultation; customizing, updating, and enhancing a software configuration management system; designing and building online database maintenance and retrieval systems; designing, building, and maintaining order processing and sales reporting systems; designing and building an online system to manage technical documents; designing, building, and enhancing accounting systems; designing and building automated scripts to test order processing systems for Y2K compliance; and providing technical support to DEC-VAX system managers in more than 100 sites worldwide.

Edgar has experience with a variety of hardware platforms, operating systems, and programming languages.

He holds a B.S. degree in Applied Mathematics from North Carolina State University, and is bilingual in English and Spanish. He enjoys reading in a wide variety of topics, listening to classical music, and gardening. He and his wife live in West Chester, Pennsylvania.

Date Reviewed  
- 10 of 109 reviews

   Programming language explorations
Toal R., Rivera R., Schneider A., Choe E.,  CRC Press, Inc., Boca Raton, FL, 2017.Type: Book (9781498738460), Reviews: (2 of 2)

The number of languages spoken around the world is about 7000. The number of programming languages that have been invented is much greater than that. If you are going to program, you should be ready to become a polyglot. For example, you will prob...

Jul 18 2017  
  Python and Matplotlib essentials for scientists and engineers
Wood M.,  Morgan and Claypool Publishers, San Rafael, CA, 2015.Type: Book (9781627056199)

The ever-growing number of mathematics, science, and graphics libraries available to Python makes it an attractive environment for interactive data analysis and visualization. As a result, the number of scientists and engineers who have enthusiast...

Jul 14 2017  
   The Dart programming language
Bracha G.,  Addison-Wesley Professional, London, UK, 2016. 224 pp. Type: Book (978-0-321927-70-5)

Dart is a general-purpose, object-oriented, optionally typed programming language designed to be easy to learn, easy to use, and easy to run efficiently in multi-core, distributed environments, including the World Wide Web. The Dart programming...

Jan 20 2017  
   Common Lisp recipes: a problem-solution approach
Weitz E.,  Apress, New York, NY, 2015. 744 pp. Type: Book (978-1-484211-77-9)

Lisp, the second high-level programming language invented at the dawn of the computer age, has never been out of fashion, especially for artificial intelligence and other specialized areas. When the Lisp community recognized the benefits of an off...

Oct 27 2016  
   Learning scientific programming with Python
Hill C.,  Cambridge University Press, New York, NY, 2016. 457 pp. Type: Book (978-1-107428-22-5)

Python has become a popular language in various domains, including scientific programming. Many well-documented packages are freely available, and many enthusiastic programmers are willing to share their knowledge and help novices. In this book, H...

Oct 10 2016  
   Metaprogramming Elixir: write less code, get more done (and have fun!)
McCord C.,  Pragmatic Bookshelf, Raleigh, NC, 2015. 120 pp. Type: Book (978-1-680500-41-7)

Elixir is one of the programming languages built on top of BEAM, the Erlang virtual machine. That makes it inherently worthy of consideration since Erlang is well known as a platform for building highly reliable, massively parallel fault-tolerant ...

Jul 21 2016  
   Introduction to programming with Fortran: with coverage of Fortran 90, 95, 2003, 2008 and 77 (3rd ed.)
Chivers I., Sleightholme J.,  Springer International Publishing, New York, NY, 2015. 674 pp. Type: Book (978-3-319177-00-7)

Few programming languages can match the distinguished history of Fortran. The first language for which a compiler was written, it was designed for scientific computation; it is still predominant in this field--and will likely continue to be f...

May 11 2016  
   Shell scripting recipes: a problem-solution approach (2nd ed.)
Varma J., Johnson C.,  Apress, New York, NY, 2015. 380 pp. Type: Book (978-1-484202-21-0)

Having no introduction or preface, this book does not make a good first impression. The publisher’s book webpage [1] says that the book is “for anyone who has the basic knowledge of what shell scripting is and wants to learn how to use...

Mar 31 2016  
   Numbers and computers
Kneusel R.,  Springer Publishing Company, Incorporated, Cham, Switzerland, 2015. 231 pp. Type: Book (978-3-319172-59-0)

When writing software, we need a full, detailed understanding of how computers work with numbers. Inadequate understanding can have dire consequences. In Numbers and computers, Kneusel mentions two egregious examples: the explosion of an Ar...

Feb 24 2016  
   The little prover
Friedman D., Eastlund C.,  The MIT Press, Cambridge, MA, 2015. 248 pp. Type: Book (978-0-262527-95-8)

The goal of this book is to teach readers how to prove that recursive Lisp programs are correct. The method used is based on principles from mathematical logic; it involves identifying basic axioms, theorems, and rules of text transformation, and ...

Dec 9 2015  
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