Try using the offset function within your average function: e.g., =average
(offset($B$5,$b$1,1,20,1)). Using this example, the trick will be coming up
with a formula for cell B1, but it shouldn't be too hard. Good luck.


wrote:
Hi, Using a static array, with 100 values. is it possible to average
the last 20 values, and if i add another 20 values, to average agian.
In other words always averge the last 20 values.
Regards Robert

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