If you click, you exit the formula editor without saving your changes.

For example, you can compare values in two cells, calculate the sum or product of cells, and so on.

The result of a formula or function appears in the cell where you entered it.

You can also use any of the predefined mathematical functions included with Numbers to create formulas.

There are more than 250 functions for applications including statistics, engineering, and finance, some of which retrieve information remotely via the internet.

Detailed information about each function appears in Formulas and Functions Help online and in the Functions Browser, which appears when you type an equal sign () in a cell.

Insert a formula You can create simple or complex arithmetic formulas to perform calculations on the values in your tables.

Click the cell where you want the result to appear, then type the equal sign ().

Tip: To make basic calculations such as a sum, average, or product, you can also select the range of cells you want to include in your formula, click in the toolbar, then choose a formula.

Numbers automatically inserts the formula and chooses a result cell based on your selection.

Type an arithmetic operator (for example,, -,, or ), then select another cell to use in your formula, or type a value.

Continue adding operators and cell references until your formula is complete, then press Return or click in the formula editor when youre done.

If theres an error in your formula, appears in the result cell.

If the message indicates another cell is causing the error, you can click the cell reference to select the cell with the error.

Insert a function Click the cell where you want the result of the function to appear, then type the equal sign ().

The formula editor opens, and the Functions Browser appears on the right side of the window, displaying a list of all the functions.

Type a function name (or terms associated with the function, such as address) in the search field at the top of the Functions Browser, or browse the available functions, then double-click the name of the function you want.

The function appears in the formula editor with all of the required and optional arguments for the function.

You can get help for the function in the Functions Browser, choose values for the arguments, show the formula as text temporarily, or convert it to text permanently by clicking arrows in the formula editor (as shown below).

Converting the formula to text closes the formula editor and leaves the text version of the formula in the cell.

When you edit a cell that contains a formula, the Smart Cell View at the bottom of the window shows you the formula result, cell reference values, errors, and warnings.

Select an argument in the function, then enter a value, or select cells to include in the calculation by doing one of the following: Select a cell: Click the cell.

Select a range of cells across multiple rows and columns: Drag across the range of cells you want to include.

Add the values of a single column or row: Click the bar at the top of the column or the left of the rowor select all of the cells in the column or row.

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