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Question: find last 2 entry values for calculations

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Simple question; after a lot of searching I eventually discovered a way of finding the cell id and value of the last entry. However it appears that trying to (in this case) subtract the value of another cell, all with one formula, fails and I would like to try to find out why.

If anyone can help it would be much appreciated.

It seems it is necessary to create 1 or 2 separate cells containing the values and use those to find the answer.

iMac, OS X El Capitan (10.11.2), 4Gb memory

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Nov 12, 2017 11:29 AM in response to 2Skip2 In response to 2Skip2

are the entries in column C always guaranteed to be filled in from the beginning of the entries to the end? No blanks in the list?

single click the triangle and what error is reported?

you can try this method:

User uploaded file

formula in E4 is:


another ways is:


if the values in the cells are not all present in the sequence of values in column C, then this will not work.

Nov 12, 2017 11:29 AM

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Nov 12, 2017 5:50 PM in response to 2Skip2 In response to 2Skip2

Hi 2Skip2,

Here are a couple of examples, using variations on Wayne's first formula.

The formula in H2 shows the result for column C, where every cell below C2 contains a value.

J2 and K2 contain two different formulas to handle the case in column F, containing gaps in the data.

Data in both cases was created as a Fibonacci series, the the result could be easily checked. In each case the difference between the last two numbers in the column should be the third last value in the column.

User uploaded file

Note that the table, like yours, contains a header row, and the list of values begins in row 2.

This requires an adjustment in Wayne's formula, as his table starts the list in row 1.

Changes are shown in bold.



Since either version of this formula will pay no attention to rows after the last entered value, the table can have empty rows below that last value.

J2 contains the same formula as H2, edited to reference column E instead of C:


Because there are only 13 values in the list, the first indirect is to cell C14, and the second is to the empty cell above that, giving a difference of 699.

K2 adds another count to each of the INDIRECT statements. COUNTBLANK counts the three empty cells to move the INDIRECT references down to C17 and C16.


But COUNTBLANK won't distinguish between empty cells Above the end of the list and empty cells Below the end of the list, so to use this formula, it's necessary to keep the table only as long as needed to include the last entered value.

If you're doing that, then you can use a much simpler formula:




Nov 12, 2017 5:50 PM

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Question: find last 2 entry values for calculations