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This chapter is from the book

This chapter is from the book

Creating Functions

Functions are predesigned formulas that save you the time and trouble of creating commonly used or complex equations. Trying to write a formula that calculates various pieces of data, such as calculating payments for an investment over a period of time at a certain rate, can be difficult and time-consuming. The Insert Function feature simplifies the process by organizing Excel’s built-in formulas, called functions, into categories so they are easy to find and use. A function defines all the necessary components (also called arguments) you need to produce a specific result; all you have to do is supply the values, cell references, and other variables. You can even combine one or more functions.

Enter a Function Using Insert Function

  • yellow-01.jpg Click the cell where you want to enter the function.
  • yellow-02.jpg Click the Insert Function button on the Formula bar or click the Function Wizard button on the Formulas tab.
  • yellow-03.jpg Type a brief description that describes what you want to do in the Search for a function box, and then click Go.
  • yellow-04.jpg If necessary, click a function category you want to use.
  • yellow-05.jpg Click the function you want to use.
  • yellow-06.jpg Click OK.
  • yellow-07.jpg Enter the cell addresses in the text boxes. Type them or click the Collapse Dialog button to the right of the text box, select the cell or range using your mouse, and then click the Expand Dialog button.
  • yellow-08.jpg Click OK.
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