Chapter 19
Utility Chest
In This Chapter
Crunching numbers with the Calculator
Plumbing El Capitan’s innards
And much, much more …
OS X El Capitan comes with a plethora of useful utilities that make using your computer more pleasant and/or make you more productive when you use your computer. In this chapter, I give you a glimpse of the ones that aren’t covered elsewhere in this book.
The first item, Calculator, is in your Applications folder; all the other items in this chapter are in your Utilities folder, inside your Applications folder (or use the Utilities folder’s keyboard shortcut, 
+Shift+U).
Calculator
Need to do some quick math? The Calculator application gives you a simple calculator with all the basic number-crunching functions that your pocket calculator has. To use it, you can either click the keys with the mouse or type numbers and operators (math symbols such as +, ...
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