July 2010
Beginner
956 pages
39h 22m
English
Content preview from Office 2010: 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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Chapter 17. Building Basic Formulas
Most Excel fans don’t turn to the world’s leading spreadsheet software just to create nicely formatted tables. Instead, they rely on Excel’s industrial-strength computing muscle, which lets you reduce reams of numbers to neat subtotals and averages. Performing these calculations is the first step to extracting meaningful information out of raw data.
Excel provides a number of different ways to build formulas, letting you craft them by hand or point-and-click them into existence. In this chapter, you’ll learn about all of these techniques. You’ll start by examining the basic ingredients that make up any formula, and then take a close look at the rules Excel uses when evaluating a formula.
Creating a Basic Formula
First things first: what exactly do formulas do in Excel? A formula is a series of instructions that you place in a cell in order to perform some kind of calculation. These instructions may be as simple as telling Excel to sum up a column of numbers, or they may incorporate advanced statistical functions to spot trends and make predictions. But in all cases, all formulas share the same basic characteristics:
You enter each formula into a single cell.
Excel calculates the result of a formula every time you open a spreadsheet or change the data a formula uses.
Formula results are usually numbers, although you can create formulas that have text or Boolean (true or false) results.
To view any formula (for example, to gain some insight into how Excel ...
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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.