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Old 03-08-2021, 07:15 PM
oscarlimerick oscarlimerick is offline Whats the correct formula to point to the last populated cell in a column? Windows 8 Whats the correct formula to point to the last populated cell in a column? Office 2013
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Whats the correct formula to point to the last populated cell in a column?
 
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Default Whats the correct formula to point to the last populated cell in a column?

Hi folks. The excel attachment shows a chart containing dates beside a number reported for that day. I want to be able to take the current day (March 8 in this example) and have it report the difference from the previous day (March 7th in this example). The difference is to be reported in cell K1. In this example, the cell K1 contains “=D14-D13” and correctly displays 7301, which is the difference between Mar 8 and Mar 7 # reported today.



But tomorrow, when I have a new value for cell Mar 9 in cell D15, I want cell K1 to then show the difference between Mar 9 and Mar 8. I need to find the correct formula to put in K1 that will point to the bottom most cell in column D and subtract the second last value of column D, and do this every day when there is a new entry in column D.

I realize I could just create a subtraction formula in cell E5 saying “=D5-D4” and then drop that cell box down every day so it would display the differences in column E, but I don’t want to do that every day. I just want cell K1 to constantly display the difference between the bottom most populated cell in column D (which would be the current date) and the second last bottom most populated cell in column D.(which would be yesterdays date) Is this possible? If so how can I do this? Many thanks
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File Type: xlsx sample for micosoft forum.xlsx (14.0 KB, 2 views)
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  #2  
Old 03-08-2021, 10:32 PM
Purfleet Purfleet is offline Whats the correct formula to point to the last populated cell in a column? Windows 10 Whats the correct formula to point to the last populated cell in a column? Office 2019
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How about an index & match
Code:
=INDEX(D:D,MATCH(TODAY(),A:A,0))-INDEX(D:D,MATCH(TODAY(),A:A,0)-1)
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File Type: xlsx Copy of sample for micosoft forum_purfleet.xlsx (14.9 KB, 0 views)
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  #3  
Old 03-08-2021, 11:09 PM
ArviLaanemets ArviLaanemets is online now Whats the correct formula to point to the last populated cell in a column? Windows 8 Whats the correct formula to point to the last populated cell in a column? Office 2016
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Code:
=SUMIFS($D$4:$D$37,$A$4:$A$37,TODAY())-SUMIFS($D$4:$D$37,$A$4:$A$37,TODAY()-1)
Or, when adding a column header for dates (e.g. renaming header Date to Day, and naming leftmost column with dates as Date), and getting rid of special characters in column names (e.g. renaming # REPORTED TODAY AS Reported), you define your table as Table (Insert>Table) and giving it a name e.g. YourTable:
Code:
=SUMIFS(YourTable[Reported],YourTable[Date],TODAY())-SUMIFS(YourTable[Reported],YourTable[Date],TODAY()-1)
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Old 03-09-2021, 05:36 AM
oscarlimerick oscarlimerick is offline Whats the correct formula to point to the last populated cell in a column? Windows 8 Whats the correct formula to point to the last populated cell in a column? Office 2013
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I never tested the second one because I don't understand it, but it probably works. I think I will go with Purfleet's solution because I understand now what it is doing. I was unaware of the today function. Thanks to all for the help.
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Old 03-09-2021, 08:00 AM
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Pecoflyer Pecoflyer is offline Whats the correct formula to point to the last populated cell in a column? Windows 7 64bit Whats the correct formula to point to the last populated cell in a column? Office 2010
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Take some time to delve into Excel Tables. It makes life much easier
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