Interpolating value
The chart can't, but the data sheet (from which the chart was generated)
can. Try the FORECAST function.
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David Biddulph
"willemeulen" wrote in message
...
When a chart generated is it possible in exel to return a value from the
chart or chart data by reading chart or interpollating value from knowns.
(parabolic/logaritmic charts etc)
W
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