Microsoft Office Tutorials and References
In Depth Information
Summing Formulas
h A range reference
h A logical TRUE value
The SUM function is versatile, but it’s also inconsistent when you use logical values
(TRUE or FALSE). Logical values stored in cells are always treated as 0. But logical
TRUE, when used as an argument in the SUM function, is treated as 1.
Computing a cumulative sum
You may want to display a cumulative sum of values in a range — sometimes known as a running
total. Figure 7-13 illustrates a cumulative sum. Column B shows the monthly amounts, and column
C displays the cumulative (year-to-date) totals.
Figure 7-13: Simple formulas in column C display a cumulative sum of the values in column B.
The formula in cell C2 is
Notice that this formula uses a mixed reference. The first cell in the range reference always refers
to the same row (in this case, row 2). When this formula is copied down the column, the range
argument adjusts such that the sum always starts with row 2 and ends with the current row. For
example, after copying this formula down column C, the formula in cell C8 is
You can use an IF function to hide the cumulative sums for rows in which data hasn’t been
entered. The following formula, entered in cell C2 and copied down the column, is
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