A formula cannot change the contents of a different cell to itself.
Here's a method that might fill the bill:
Not in Excel.
It is a formula that the user creates themselves, instead of using the built-in functions.
In versions up to Excel 2003, it is on the Data menu. From version 2007 onwards, you can find it on the Insert tab on the ribbon.
To add a graph in Word on a Mac, you can insert a chart using the Excel app. Simply go to the "Insert" tab in Word, click on "Chart", and choose the type of chart you want to insert. You can then enter your data in the Excel spreadsheet that pops up and customize the chart as needed.
You can enter them by just typing them in with the keyboard. You can also use the Insert Function facility.
You can click on it in the Formula Bar near the top of screen, or you can press the F2 key.
It is a function
The Clipboard.
what-if analysis or sensitivity analysis Its What-if Analysis
It is used to copy the formula down or across.
Not entirely, but you can use a mouse to select ranges you include in a formula.
You would first need to know how the fat in milk is calculated and have a formula for it. You would need to know what values are needed to do it. Then you would need to get the values you need and enter them into cells in the spreadsheet. Using these cell references to build your formula, you could do the calculation.