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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MS Excel
To copy formatting from one area in a worksheet and apply it to another area you would use:

There is no way to copy and apply formatting in Excel – You have to do it manually
The Format Painter button on the standard toolbar
The Copy and Apply Formatting dialog box, located under the Format > Copy and Apply menu
The Edit > Copy Format and Edit>Paste Format commands form the menu

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