Create linear and growth trends with the Series command
When you use the Series command, the resulting series replaces the original selected values. To save the original values, copy them to a different row or column. Then create the series by selecting the copied values.
Select the cell where you want to start the series. The cell must contain the first value in the series.
On the Edit menu, point to Fill, and then click Series.
Do one of the following:
To fill the series down the page, click Columns.
To fill the series across the page, click Rows.
In the Step value box, enter the value that you want to increase the series by. In a linear series, the step value is added to the first starting value and then added to each subsequent value. In a growth series, the first starting value is multiplied by the step value. The resulting product and each subsequent product is then multiplied by the step value.
Under Type, click Linear or Growth.
In the Stop value box, enter the value you want to stop the series at.
Note If there is more than one starting value in the series and you want Microsoft Excel to generate the trend, select the Trend box. In a linear series, the starting values are applied to the least-squares algorithm (y=mx+b) to generate the series. In a growth series, the starting values are applied to the exponential curve algorithm (y=b*m^x) to generate the series. In either case, the step value is ignored. The series created is equivalent to the values returned by the TREND function or the GROWTH function.
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