What does a formula do in a spreadsheet program?
A.
It instructs users how to use the data in the spreadsheet to calculate other important values for analysis.
B.
It directs users where to enter important data and what ranges the values of those pieces of data should fall within.
C.
It directs users to external resources that will help them analyze the data.
D.
It uses data entered in certain cells to calculate values for other cells.