Head First 2D Geometry
Head First 2D Geometry

 

Author: Lindsey Fallow & Dawn Griffiths
Publisher: O'Reilly, 2010
Pages: 368
ISBN: 978-0596808334
Aimed at: Those with an aversion to maths
Rating: 4
Pros: Uses an approach that works
Cons: Doesn't go very far
Reviewed by: Mike James

2D geometry is basic to so many things, including any attempt at programming graphics. This book aims to introduce the basic ideas without frightening the non-mathematical reader.

It sort of works - but there are some reservations.

 

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Following the usual form of a "Head First" title there are lots of photos, asides, quizzes, activities and so on - and it does help.

The ideas are all introduced as part of a "real world" problem - a fictitious homicide is used to introduce angles and properties of angles as you try to work out the CSI-take on geometry.

Later stories are similarly angled (pun intended) to capture the imagination of teenagers - skate boarding, designing a pattern for a screen graphic and so on. Again all of this mostly works even if you initially might feel a bit embarrassed by the cartoon-like characters - hey dude where's my angle. But if you stay with it you do get immersed in the problems and the geometry needed to solve them.

There are severn chapters:

Chapter 1. Finding Missing Angles
Chapter 2. Similarity and Congruence
Chapter 3. The Pythagorean Theorem
Chapter 4. Triangle Properties
Chapter 5. Circles
Chapter 6. Quadrilaterals
Chapter 7. Regular Polygons

The book really does start from the basic idea of what an angle is and doesn't get very far. You do learn Pythagoras via the usual geometric demonstration rather than by proof and both proof and algebra are down played at every turn.

It is about getting the student to really understand and imagine the geometric properties under discussion. This is geometry by feel and experience, rather than proof, and there is nothing wrong with the approach. 

This is not a book that is going to be of any use to the student who has even the slightest grasp of, or aptitude for, math and geometry in particular. It is such a low level and such a low information density that it really is only for the maths non-starter or refuser.

So as long as you realise that this is very basic 2D geometry and it isn't going to be of direct help if you  are struggling with a traditional course on geometric proofs then it's a good book.

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Microsoft SQL Server 2012 Performance Tuning Cookbook

Author: Ritesh Shah and Bihag Thaker
Publisher: Packt Publishing
Pages: 478
ISBN: 978-1849685740
Audience: DBAs and SQL Developers
Rating: 2.5 or 4.0 (depending on your tolerance of bad grammar)
Reviewer: Ian Stirk

This book contains 80 recipes to help you tune SQL Server 2012 and achieve optimal perform [ ... ]



C# 5.0 Unleashed

Author: Bart De Smet
Publisher: Sams, 2013
Pages:1700
ISBN: 978-0672336904
Aimed at: Intermediate to advanced programmers
Rating: 4.8
Reviewer: Mike James

This is the latest update to the C# Unleashed volume and the good news is that this encyclopedic tome has only grown by a few pages. Does it [ ... ]


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Last Updated ( Wednesday, 25 August 2010 )
 
 
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