Chief Ronald Spadafora of the New York City Fire Department has created this test prep guide and career handbook to give you the very latest information about firefighter testing and employment. With three decades of experience in...

QuickBooks makes it easier to handle all those financial chores you have to do for your small business, and this handy reference makes it easier to use QuickBooks! You'll find minibooks on setting up QuickBooks for your business needs, using it for accounting, bookkeeping,...

Python 3 is the best version of the language yet: It is more powerful, convenient, consistent, and expressive than ever before. Now, leading Python programmer Mark Summerfield demonstrates how to write code that takes full advantage of Python 3's...

The range of applications covered extends from the synthesis of complex natural materials via...

For more than 250 years partial differential equations have been clearly the most important tool available to mankind in order to understand a large variety of phenomena, natural at first and then those originating from human activity and technological development. Mechanics, physics and their...