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Excel 2013 Power Programming with VBA by John Walkenbach

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Chapter 2: Formula Tricks and Techniques

In This Chapter

• Getting an overview of Excel formulas

• Differentiating between absolute and relative references in formulas

• Understanding and using names

• Introducing array formulas

• Counting and summing cells

• Working with dates and times

• Creating megaformulas

About Formulas

Virtually every successful spreadsheet application uses formulas. In fact, constructing formulas can certainly be construed as a type of programming. This chapter covers some of the common (and not so common) types of Excel formulas.

note.eps

For a much more comprehensive treatment of Excel formulas and functions, refer to my Excel 2013 Formulas (Wiley).

Formulas, of course, are what make a spreadsheet a spreadsheet. If it weren't for formulas, your worksheet would be just a static document — something that a word processor that has great support for tables could produce.

Excel has a huge assortment of built-in functions, has excellent support for names, and even supports array formulas (a special type of formula that can perform otherwise impossible calculations).

A formula entered into a cell can consist of any of the following elements:

• Operators such as + (for addition) and * (for multiplication)

• Cell references (including named cells and ranges)

• Numbers or text strings

• Worksheet functions (such as SUM or AVERAGE)

A formula can consist of up to 8,192 ...

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