December 2014
Beginner
874 pages
30h 11m
English
Content preview from OS X Yosemite: The Missing ManualBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Calculator
The Calculator is much more than a simple four-function memory calculator. It can also act as a scientific calculator for students and scientists, a conversion calculator for metric and U.S. measures, and even a currency calculator for world travelers.
The little Calculator widget in the Today pane of the Notification Center is quicker to open, but the standalone Calculator program is far more powerful. For example:
Calculator has three modes: Basic, Advanced, and Programmer (Figure 11-1). Switch among them by choosing from the View menu (or pressing ⌘-1 for Basic, ⌘-2 for Advanced, or ⌘-3 for Programmer).
Figure 11-1. The Calculator program offers a four-function Basic mode, a full-blown scientific calculator mode, and a programmer’s calculator (shown here, and capable of hex, octal, decimal, and binary notation). The first two modes offer a “paper tape” feature (Windows→Paper Tape) that lets you correct errors made way back in a calculation. To edit one of the numbers on the paper tape, drag through it, retype, and then click Recalculate Totals. You can also save the tape as a text file by choosing File→Save Tape As, or print it by selecting File→Print Tape.
You can operate Calculator by clicking the onscreen buttons, but it’s much easier to press the corresponding number and symbol keys on your keyboard.
Press the C key to clear the calculator display.
As you go, you can make ...
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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.