January 2016
Intermediate to advanced
804 pages
28h 40m
English
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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 19-1). Switch among them by choosing from the View menu (or pressing ⌘-1 for Basic, ⌘-2 for Advanced, or ⌘-3 for Programmer).
Figure 19-1. 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 have a “paper tape” feature (Window→Show 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 ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.