macro to refine a set of values

Hey guys i have the following problem. This is what i have:



A B

3.4 5

3.8 5.8

4.5 7.9

and so on.



I need:



C D

3.4 5

3.5 5.2

3.6 5.4

3.7 5.6

3.8 5.8

3.9 6.1

4 6.4

4.1 6.7

4.2 7

4.3 7.3

4.4 7.6

4.5 7.9



Basically i need to refine the numbers i have in column B by column A and put the results in columns D and E. This is the code i came up with - it doesn't work, it's only to show you what i think i should use to get the job done.



Can you please help me either make this code i have work or create something that does the job ?

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Thank you

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So you're looking at Interpolation ?

http://www.tushar-mehta.com/excel/ne..._set_in_Excel_

Without trying to come across as condescending it may be that Tushar's page is at times hard to follow so attached is a working example of his approach based on your sample values

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