Summing Rows and Columns

It would be useful to know the totals for the sales, food costs and profit for the six month period.

Again we can use a formula.

However, building a column or row total for long ranges of cells by indicating each cell is time consuming and error prone.

Among Excel's many functions is the SUM function which allows row and column totals to be prepared far more quickly.

Excel also gives us a number of ways to perform the SUM function.

Summing Cells - Method 1

Exercise

Summing Cells - Method 2

To sum the next row of cells, the TOTAL for sales we will use a different method of using the SUM command.

Exercise

Summing Cells - Method 3

This method is the simplest method of summing cells.

It involves less typing and is more accurate than the above two methods.

This method uses a tool from the Tool Bar called Sigma. sigma

The Sigma symbol is used in mathematics to represent the sum of numbers so its use is appropriate here.

It appears on the Tool Bar.

Exercise