August 2012
Beginner
480 pages
13h 13m
English
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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 +, –, and =) using the number keys on your keyboard (or numeric keypad, if you have one). Calculator also offers a paper tape (Window⇒Show Paper Tape) to track your computations — and, if you want, provide a printed record. It can even speak numbers aloud (Speech⇒Speak Button Pressed and Speech⇒Speak).
Check out the Calculator in Figure 19-1.
Figure 19-1: The Calculator (left), Convert menu (middle), and Paper Tape (right).
In my humble opinion, the most useful feature in the Calculator (after the paper tape) is the Convert menu — more specifically, the currency-conversion feature. It actually checks the Internet for the exchange rate before calculating the conversion for you. That’s very cool.
Beyond that, Calculator has three modes: Basic, Scientific, and Programmer. Basic is the default, and you access the other two modes as follows:
Pressing +2 (View⇒Scientific) turns the formerly anemic calculator ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.