Normally, to sum up the value of a particular column, you could use the SUM formula. For example, if you have values in column B between rows 11 and 33, you could use this SUM formula to get the total value:

**=sum(b11:b33)**

However, what if you keep adding values to column B? For example, if you placed a value in row 34, you would have to modify the above SUM formula to the following:

**=sum(b11:b34)**

This can get quite annoying. Instead, use the following shortcut to place to sum of an entire column in one cell:

**=sum(COLUMN:COLUMN)**

Which, in this example, would be:

**=sum(b:b)**

Note that you cannot place this formula in column B, else Excel 2003 shows a circular reference error. Instead, you can place this formula in any other column besides the one you are summing up.

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