[proinwv]

I am using the lookup function to look up a value in at table. When the
lookup is intermediate of two values in the lookup column, it returns the
lesser value from the second column.

For instance if I look up 130, and my table has values in column 1 of 100
and 200 (in the first and second rows) and corresponding values of 10 and 20
in the second column, then the value returned is 10 rather than an
interpolated value 13.

I cannot find any reference to interpolating in my help file (Excel 2000).

So, is it possible to interpolate?

Thanks!

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PROINWV