MS Excel
To center worksheet titles across a range of cells, you must

Select the cells containing the title text plus the range over which the title text is to be enfettered
Widen the columns
Format the cells with the comma style
Select the cells containing the title text plus the range over which the title text is to be centered

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MS Excel
How can you delete a record?

Select Data > Delete Record from the menu
Delete the column from the worksheet
Select Data > Form from the menu to open the Data Form dialog box, find the record and Click the Delete button
Click the Delete button on the Standard toolbar

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MS Excel
To create a formula, you first:

Type the equals sign (=) to tell Excel that you’re about to enter a formula
Select the cell you want to place the formula into
Enter the formula using any input values and the appropriate mathematical operators that make up your formula
Choose the new command from the file menu

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