Blue Sky Technology

A hobby enterprise of Mark Laurence McIlroy. Est. 2009

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Included below are some of the books that I have written. Available in print from www.amazon.com and www.bookdepository.com and also for free download.

On the tabs above are software downloads and a practice SQL environment where you can practice SQL queries.

 

  • SQL Essentials
  • A guide to writing Excel formulas and VBA macros
  • Introduction to Computer Science
  • Improving System Speed
  • The Black Art of Programming
  • Introduction to the Stockmarket
  • The Wise Investor
  • Simple Business
  • Black and White

 

If you have trouble with any of these files please send me an email.

 





 

SQL Essentials (35 pages)

SQL Essentials is a book that is an introduction to the use of SQL to retrieve data from databases and generate query result tables.

The book covers SQL queries and is suitable for beginners and intermediate users.

Included on this site is a practice environment where you can experiment with SQL and try out the examples from the book.

SQL Essentials

Also available in print from  www.amazon.com or  www.bookdepository.com

 

 

A guide to writing Excel formulas and VBA macros  (35 pages)

This book is a short overview of Excel formulas and VBA macros.

The book includes everything you need to know to get started with basic or advanced Excel formulas and VBA macros.

A guide to writing Excel formulas and VBA macros

Also available in print from  www.amazon.com or  www.bookdepository.com

 

 

Introduction to Computer Science (259 pages)

This book is a guide to computer programming.

It contains the basic material from a first year Computer Science course.

Introduction to Computer Science

Also available in print from  www.amazon.com or  www.bookdepository.com

 

 

Improving System Speed (2 pages)

This document is contains some brief notes on making computer code run faster.

Despite advances in computer hardware this topic remains as relevant today as it was in the early days of computing.

Improving System Speed

 

 

The Black Art of Programming (285 pages)

This book is an introduction to computer programming. It covers the essential information of a first year Computer Science course. Recommended for beginners and intermediate programmers. This book is a little outdated now because it focuses on third-generation languages like C rather than object-orientated languages however it still a good introduction to programming and computer science.

The Black Art of Programming

Also available in print from  www.amazon.com or  www.bookdepository.com

 

 

Introduction to the Stockmarket (43 pages)

This book is a basic introduction to investing in shares.

The book is suitable for all persons who are interested in the stockmarket but don’t know where to start.

The book also contains brief notes on some more advanced topics that may be of interest to experienced investors.

Mark is based in Melbourne, Australia however the book is suitable for all international markets.

Introduction to the Stockmarket

Print copies are available on www.amazon.com, www.bookdepository.com or directly from me (in Australia) for $12 per copy plus postage.

 

 

The Wise Investor (355 pages)

A book about personal money management and investment. The book is written as a dialogue between two characters.

The Wise Investor

Also available in print from  www.amazon.com or  www.bookdepository.com

 

 

Simple Business (709 pages)

A guide to business. This is a large book that includes a lot of material. Topics covered include basic introductions to law, accounting etc. Mark is based in Melbourne, Australia so some of the material is specific to Australia.

Simple Business

 

 

Black and White (2 pages)

This document contains observations on the spirit of life, and engineering.

Available for download on the link below.

Black & White

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