However, if you want to set the iteration options, you must use the Formulas page on the Word Options dialog box.
The first, easiest, and most obvious thing to check is whether you have automatic calculation turned on.
In the tooltip that is shown in the screen shot below, you can see that the shortcut for Calculate Sheet is Shift F9.
We tried using the Calculation shortcuts, including Ctrl Alt Shift F9 (that one recalculates everything, and starts your car).
However, editing the formula in that column for that row would ordinarily change the calculation for the entire column because, by default, formulas always replicate throughout the entire column in a table.
To make a “one-off” formula in a table, enter the desired formula in the cell of interest and press Enter.