Chapter 18. From Simple Addition to What-ifs: Formulas

In this chapter

  • Using basic math functions in Excel

  • Reusing formulas in a spreadsheet

  • Using values or results from other sheets or files

  • Playing what-if to analyze figures

A spreadsheet would be mostly useless if all you could do with it was enter numbers and text in cells. The main purpose of a spreadsheet is to analyze information, and without formulas, most analysis would be impossible.

This chapter describes basic math functions and how to use them in Excel, as well as how to create formulas to manipulate and analyze the information in a spreadsheet.

Understanding Cell References and Operators

Before you can start building formulas, you need to understand two key topics: cell references and operators. ...

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