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Robot Building for Beginners by David Cook

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Chapter 5. Numbers and Units

Here is the last building block before you're introduced to the line-following robot. This chapter describes the numbering systems and abbreviations common in robotics. It's important to get at least a basic sense for these things, although you can always turn back to this chapter later if you run across something you don't understand.

Choosing the Metric System

Scientists use the metric system because it is well defined in universally constant ways and easily converts by multiplying and dividing by ten. As a robot scientist, you should use the metric system for your own work. This also permits you to be snobby towards those Neanderthals who still use the old-fashioned Imperial system.

This book uses the metric system ...

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