Drag the pointer until the row or column is the desired size. You can hide a row or column by dragging the pointer up or to the left until the row or column disappears. To restore a hidden row or column, drag the pointer down or to the right until the row or column reappears. You can use formulas to perform calculations on spreadsheet data. You can combine numbers and cell references to build your formulas.
Formulas can be simple or very complex.
Uses the SUM function to add the values in the cell range D4 to D12. Then, drag to select the range that you want to refer to. The reference to the cell range appears at the insertion point in the formula. The enclose the range in parenthese. Simple arithmetic 1.