MS Excel
To record a sequence of keystrokes and mouse actions to play back later we use:

Calculator
Macro Recorder
Media player
Sound Recorder

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MS Excel
To create a formula, you first:

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

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