Cells in Excel are referred to using relative or absolute references. A formula with relative references changes when the cell's position does.

Because it’s easier to copy formulas than re-enter formulas, use the Absolute/Relative Reference function key F4 to hardcode the B (absolute) in this formula so it never changes when it’s copied.

A basic sum calculation using relative references might be entered as "=SUM (C4:C6)" in cell C7 to add the numbers in the three cells to the left of C7. Copying this formula to cell D7 with the ...