excel锁定公式$怎么输入，笔记本电脑excel锁定公式$怎么输入

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What is Excel Formula Locking?

Excel formula locking is a feature that allows users to lock formulas, ensuring that they cannot be accidentally changed. If you have ever spent hours on a spreadsheet, only to realize that someone has changed an important formula, you know how frustrating this can be. Excel formula locking is an extremely useful tool for ensuring that your data remains accurate and your formulas remain intact.

To learn how to input a formula and lock it in Excel, follow the steps below:

How to Input and Lock Formulas in Excel on a Laptop

Step 1: Input your Formula

The first step is to input your formula into the cell you want to apply it to. Start by selecting the cell where you want the formula to appear.

Next, input your formula in the cell. For example, if you want to add cells A1 to A5, your formula would look like this: \"=SUM(A1:A5)\".

Step 2: Lock the Formula

Now that you have input your formula, it is time to lock it in place. To do this, select the cell with your formula and press the F4 key on your keyboard. This will add the dollar signs ($) to your formula.

The dollar signs in the formula indicate that the cell or range reference is an absolute reference, meaning it will not change if you copy the formula elsewhere in your spreadsheet.

Step 3: Protect Your Spreadsheet

Once you have locked your formula in place, you may want to protect your spreadsheet to prevent accidental changes. To do this, click on the \"Review\" tab in the Excel ribbon and select \"Protect Sheet\".

In the \"Protect Sheet\" dialog box, you can set a password and choose the cells you want to lock. Once you have protected your sheet, you will not be able to edit or delete any locked cells without entering the password.

Conclusion

Excel formula locking is a simple but powerful tool that can save you hours of frustration. By following the steps above, you can easily input and lock formulas in Microsoft Excel on a laptop.

Remember to protect your sheet with a password to prevent accidental changes, and use absolute references in your formulas to ensure they remain intact when copied to other cells.

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