GIẢI THÍCH EXCEL OPTIONS 2007

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Formulas are equations that perkhung calculations on values in your sheet. All formulas begin with an equal sign (=). You can create a simple formula by using constant & calculation operator. For example, the formula =5+2*3, multiplies two numbers và then adds a number lớn the result.

When you want to refer to lớn variables instead of constants, you can use cell values, for example, =A1+A2. If you are working with long columns of data, or data that is located in different parts of a sheet or on another sheet, you can use a range —for example, =SUM(A1:A100)/SUM(B1:B100), which represents the division of the sum of the first hundred numbers in column A by the sum of those numbers in column B. When your formula refers lớn other cells, any time that you change the data in any of the cells Excel recalculates the results automatically.

You can also create a formula by using a function, a predefined formula that simplifies entering calculations.

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 Equal signs start all formulas.

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 Constants, such as numbers or text values, can be entered directly inkhổng lồ a formula.

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 Operators specify the kind of calculation that the formula performs. For example, the ^ (caret) operator raises a number khổng lồ a power, và the * (asterisk) operator multiplies numbers.

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 Functions are premade formulas that can be used alone, or as part of a longer formula. Each function has a specific argument syntax. 

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 Cell values let you to lớn reference an Excel cell, instead of the specific value inside the cell so that the contents of the cell can change without the function that refers to the cell having to change.

Enter a formula that refers to lớn values in other cells

In a sheet that contains columns of numbers, cliông xã the cell where you want the formula results khổng lồ appear.

Type an equal sign =

Clichồng the first cell that you want khổng lồ include in your calculation.

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Type an operator. An operator is the kind of calculation that the formula performs. For example, the * (asterisk) operator multiplies numbers. In this example, use the / (forward slash) operator lớn divide. At this point your formula should look lượt thích this:

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Cliông xã the next cell that you want lớn include in your calculation. Now your formula should look like this:

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Press RETURN.

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The result of the calculation appears in the cell.

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Tip: To quickly apply a formula lớn the next cells down in the column, double-cliông xã the fill handle

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on the first cell that contains the formula.


Enter a formula that contains a function

In a sheet that contains a range of numbers, click the empty cell where you want the formula results to appear.

Type an equal sign and a function, for example =MIN. MIN finds the smallest number in a range of cells.

Type an opening parenthesis, select the range of cells that you want to include in the formula, và then type a closing parenthesis.

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Press RETURN.

In our example, the MIN function returns 11, the smallest number in cells A1 through C4.

Tips

When you enter a formula in a cell, the formula also appears in the formula bar.

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Use the shortcuts in the formula bar to lớn help you create formulas:

Select

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lớn kiểm tra your formula. If there are no errors, the cell will display the result of the formula. If there are errors, you"ll see
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. Hover over it for an explanation of the problem, or select the drop-down for additional troubleshooting help.

Select

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khổng lồ revert lớn your previous formula.

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To select a function, use the function menu.

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When you select a function, the Formula Builder opens, with additional information about the function.