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- Introduction
- Understanding Formulas
- Creating a Simple Formula
- Creating a Formula Using Formula AutoComplete
- Editing a Formula
- Understanding Cell Referencing
- Using Absolute Cell References
- Using Mixed Cell References
- Using 3-D Cell References
- Naming Cells and Ranges
- Entering Named Cells and Ranges
- Managing Names
- Simplifying a Formula with Ranges
- Displaying Calculations with the Status Bar
- Calculating Totals with AutoSum
- Calculating Totals with Quick Analysis
- Performing One Time Calculations
- Converting Formulas and Values
- Correcting Calculation Errors
- Correcting Formulas
- Auditing a Worksheet
- Locating Circular References
- Performing Calculations Using Functions
- Creating Functions
- Creating Functions Using the Library
- Calculating Multiple Results
- Using Nested Functions
- Using Constants and Functions in Names
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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
Click the cell where you want to enter the function.
Click the Insert Function button on the Formula bar or click the Function Wizard button on the Formulas tab.
Type a brief description that describes what you want to do in the Search for a function box, and then click Go.
If necessary, click a function category you want to use.
Click the function you want to use.
Click OK.
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.
Click OK.
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